[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178.2010]
[Page 368-394]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 178 INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND
Subpart C Antioxidants and Stabilizers
Sec. 178.2010 Antioxidants and/or stabilizers for polymers.
The substances listed in paragraph (b) of this section may be safely
used as antioxidants and/or stabilizers in polymers used in the
manufacture of articles or components of articles intended for use in
producing, manufacturing, packing, processing, preparing, treating,
packaging, transporting, or holding food, subject to the provisions of
this section:
(a) The quantity used shall not exceed the amount reasonably
required to accomplish the intended technical effect.
(b) List of substances:
------------------------------------------------------------------------
Substances Limitations
------------------------------------------------------------------------
N-n-Alkyl-N'-(carboxymethyl)- For use only:
N,N'-trimethylenediglycine; the 1. As component of nonfood articles
alkyl group is even numbered in complying with Sec. Sec. 175.105
the range C14 C18 and the and 177.2600 of this chapter.
nitrogen content is in the 2. At levels not to exceed 1.35
range 5.4-5.6 weight percent. percent by weight of natural rubber,
butadiene-acrylonitrile, butadiene-
acrylonitrile-styrene, and butadiene-
styrene polymers that are used in
contact with nonalcoholic food at
temperatures not to exceed room
temperature and that are employed in
closure-sealing gaskets complying
with Sec. 177.1210 of this chapter
or in coatings complying with Sec.
175.300, Sec. 176.170, or Sec.
175.320 of this chapter. The average
thickness of such coatings and
closure-sealing gaskets shall not
exceed 0.004 inch.
Alkylthiophenolics:............. For use only:
1. Acid-catalyzed condensation 1. At levels not to exceed 2 percent
reaction products of 4- by weight of adhesives complying with
nonylphenol, formaldehyde, and Sec. 175.105 of this chapter, of
1-dodecanethiol (CAS Reg. No. pressure-sensitive adhesives
164907-73-7).. complying with Sec. 175.125 of this
chapter, and of rubber articles
complying with Sec. 177.2600 of
this chapter.
2. Acid-catalyzed condensation 2. Do.
reaction products of branched 4-
nonylphenol, formaldehyde, and
1-dodecanethiol (CAS Reg. No.
203742-97-6)..
p-tert-Amylphenolformaldehyde For use only at levels not to exceed
resins produced when one mole 2.1 percent by weight of polyamide
of p-tert-amylphenol is made to resins that are:
react under acid conditions 1. Derived from dimerized vegetable
with one mole of formaldehyde. oil acids (containing not more than
20 percent of monomer acids) and
ethylenediamine.
2. Used in compliance with regulations
in parts 174, 175, 176, 177, 178 and
Sec. 179.45 of this chapter.
[[Page 369]]
1,4-Benzenedicarboxylic acid, For use only at levels not to exceed
bis[2-(1,1-dimethylethyl)-6-[[3- 0.075 percent by weight of olefin
(1,1-dimethylethyl)-2-hydroxy-5- polymers complying with Sec.
methylphenyl]methyl]-4-methyl- 177.1520 of this chapter.
phenyl]ester (CAS Reg. No.
57569-40.1).
2-(2H-Benzotriazol-2-yl)-4,6- For use only:
bis(1-methyl.1- 1. At levels not to exceed 0.5 percent
phenylethyl)phenol (CAS Reg. by weight of polyethylene phthalate
No. 70321-86-7). polymers complying with Sec.
177.1630 of this chapter.
2. At levels not to exceed 3.0 percent
by weight of polycarbonate resins
complying with Sec. 177.1580 of
this chapter.
2-(2H-Benzotriazol-2-yl)-4-(1, For use only at levels not to exceed
1, 3, 3-tetramethylbutyl) 0.5 percent by weight of
phenol (CAS Reg. No. 3147-75-9). polycarbonate resins complying with
Sec. 177.1580 of this chapter:
Provided, That the finished resins
contact food only under conditions of
use E, F, and G described in table 2
of Sec. 176.170(c) of this chapter.
2-[4,6-Bis(2,4-dimethylphenyl)- For use only:
1,3,5-triazin-2-yl]-5- 1. At levels not to exceed 0.3 percent
(octyloxy)phenol (CAS Reg. No. by weight of olefin polymers
2725-22-6).. complying with Sec. 177.1520(c) of
this chapter in contact with food
types I, II, IV-B, VI, VII-B, and
VIII described in Sec. 176.170(c)
of this chapter, table 1, under
conditions of use D through G as
described in Sec. 176.170(c), table
2, of this chapter.
2. At levels not to exceed 0.1 percent
by weight of polypropylene complying
with Sec. 177.1520(c) of this
chapter, items 1.1a, 1.2, and 1.3 in
contact with food under conditions of
use A through H as described in Sec.
176.170(c), table 2, of this
chapter.
3. At levels not to exceed 0.04
percent by weight of polyethylene and
olefin copolymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1a, 3.1b, 3.1c,
3.2a, and 3.2b having a minimum
density of 0.94 gram per cubic
centimeter, in contact with food
under conditions of use A through H
as described in Sec. 176.170, table
2, of this chapter provided that the
finished articles used in contact
with fatty food types III, IV-A, V,
VII-A, and IX as described in table 1
of Sec. 176.170(c) of this chapter
hold a minimum of 2 gallons (7.6
liters) of food.
4. At levels not to exceed 0.4 percent
by weight of ethylene copolymers
complying with Sec. 177.1520(c) of
this chapter, items 3.1a, 3.1b, 3.1c,
3.2a, and 3.2b, having a density of
less than 0.94 gram per cubic
centimeter, in contact with food
under conditions of use B through H,
as described in Sec. 176.170(c),
table 2, of this chapter provided
that the finished articles used in
contact with fatty food types III, IV-
A, V, VII-A, and IX hold a minimum of
5 gallons (18.9 liters) of food.
5. At levels not to exceed 0.04
percent by weight of polyethylene
having a density of less than 0.94
gram per cubic centimeter, and olefin
polymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.3a, 3.3b, 3.4, 3.5,
3.6, 4, 5, and 6, in contact with
food under conditions of use D
through G as described in Sec.
176.170(c) of this chapter, table 2,
provided that the finished articles
used in contact with fatty food types
III, IV-A, V, VII-A, and IX hold a
minimum of 5 gallons (18.9 liters) of
food.
[beta], 3(or 4)- For use only:
Bis(octadecylthio)cyclohexyleth 1. At levels not to exceed 0.3 percent
ane (CAS Reg. No. 37625-75-5); by weight of all polymers for use in
CAS synonym: 1-[(beta- contact with foods of Types I, II, IV-
(octadecylthio)ethyl]-3(or 4)- B, VI, VII-B, and VIII under
(octadecylthio)cyclohexane. conditions of use B through H as
described in tables 1 and 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.3 percent
by weight of polyolefins complying
with Sec. 177.1520 of this chapter,
for use in contact with food of types
III, IV-A, V, VII-A, and IX under
conditions of use C through G as
described in tables 1 and 2 of Sec.
176.170(c) of this chapter.
Bis(2,2,6,6-tetramethyl-4- For use only:
piperidinyl) sebacate (CAS Reg. 1. In adhesives complying with Sec.
No. 52829-07-9). 175.105 of this chapter.
2. At levels not to exceed 0.1 percent
by weight of pressure-sensitive
adhesives complying with Sec.
175.125 of this chapter.
[[Page 370]]
Bis(2,4-di-tert-butyl-6- For use only:
methylphenyl) ethyl phosphite 1. At levels not to exceed 0.3 percent
(CAS Reg. No. 145650-60-8). by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter. The finished polymers
may only be used with food of the
types identified in Sec. 176.170(c)
of this chapter, table 1, under
Categories I, II, IV-B, VI-A, VI-B,
VII-B, and VIII, and under conditions
of use B through H described in table
2 of Sec. 176.170(c) of this
chapter.
2. At levels not to exceed 0.1 percent
by weight of propylene polymers
complying with Sec. 177.1520(c) of
this chapter, items 1.1, 1.2, 1.3,
3.2b, 3.4, or 3.5, or 3.1a (where the
density of this polymer is at least
0.85 gram per cubic centimeter and
less than 0.91 gram per cubic
centimeter). The finished polymers
may only be used in contact with food
of the types identified in Sec.
176.170(c) of this chapter, table 1,
under Categories III, IV-A, V, VI-C,
VII-A, and IX, and under conditions
of use B through H described in table
2 of Sec. 176.170(c) of this
chapter.
3. At levels not to exceed 0.1 percent
by weight of high-density ethylene
polymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, or
3.6 (where the density of each of
these polymers is at least 0.94 gram
per cubic centimeter), or 5. The
finished polymers may only be used in
contact with food of the types
identified in Sec. 176.170(c) of
this chapter, table 1, under
Categories III, IV-A, V, VI-C, VII-A,
and IX, and under conditions of use C
(maximum temperature 70 [deg]C)
through G described in table 2 of
Sec. 176.170(c) of this chapter.
Provided, that the finished food
contact articles have a volume of at
least 18.9 liters (5 gallons).
4. At levels not to exceed 0.01
percent by weight of low-density
ethylene polymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, 3.4,
3.5, or 3.6 (where the density of
each of these polymers is less than
0.94 gram per cubic centimeter). The
finished polymers may only be used in
contact with food of the types
identified in Sec. 176.170(c) of
this chapter, table 1, under
Categories III, IV-A, V, VI-C, VII-A,
and IX, and under conditions of use B
through H described in table 2 of
Sec. 176.170(c) of this chapter.
Provided, that the average thickness
of such polymers in the form in which
they contact food shall not exceed
0.001 inch.
1,2-Bis(3,5-di-tert-butyl-4- For use only:
hydroxyhydrocinnamoyl)- 1. As provided in Sec. 175.105 of
hydrazine (CAS Reg. No. 32687- this chapter.
78-8). 2. At levels not exceeding 0.1 percent
by weight of acrylonitrile-butadiene-
styrene copolymers used in accordance
with parts 175, 176, 177, and 181 of
this chapter.
3. At levels not exceeding 0.1 percent
by weight of polyoxymethylene
copolymers complying with Sec.
177.2470 of this chapter and of
polyoxymethylene homopolymers
complying with Sec. 177.2480 of
this chapter.
2,6-Bis(1-methylheptadecyl)-p- For use only at levels not exceeding
cresol. 0.3 percent by weight of olefin
polymers complying with Sec.
177.1520(c) of this chapter, items
1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
3.2, 3.3, or 4. The average thickness
of such polymers in the form in which
they contact fatty food or food
containing more than 8 percent of
alcohol shall not exceed 0.004 inch.
3,9-Bis[2,4-bis(1-methyl.1- For use only:
phenylethyl)phenoxy]-2,4,8,10- 1. At levels not to exceed 0.15
tetraoxa-3,9- percent by weight of all polymers,
diphosphaspiro[5.5]undecane except as specified below.
(CAS Reg. No. 154862-43-8), 2. At levels not to exceed 0.2 percent
which may contain not more than by weight of polycarbonate resins
2 percent by weight of complying with Sec. 177.1580 of
triisopropanolamine (CAS Reg. this chapter.
No. 122-20-3). 3. At levels not to exceed 0.3 percent
by weight of polyetherimide resins
complying with Sec. 177.1595 of
this chapter.
[[Page 371]]
5,7-Bis(1,1-dimethylethyl)-3- For use only:
hydroxy-2(3H)-benzofuranone, 1. At levels not to exceed 0.1 percent
reaction products with o-xylene by weight of olefin polymers
(CAS Reg. No. 181314-48-7). complying with Sec. 177.1520(c) of
this chapter. The finished polymers
may only be used in contact with food
of the types identified in Sec.
176.170(c) of this chapter, Table 1,
under Categories I, II, IV-B, VI-A,
VI-B, VII-B, and VIII, and under
conditions of use B through H
described in Table 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.02
percent by weight of:
(a) Propylene polymers and copolymers
complying with Sec. 177.1520(c) of
this chapter, items 1.1, 1.2, 3.1a,
3.2a, 3.2b, 3.4, or 3.5. The finished
polymer may only be used in contact
with food of types identified in Sec.
176.170(c) of this chapter, Table
1, under Categories III, IV-A, V, VI-
C, VII-A, and IX, and under
conditions of use B through H
described in Table 2 of Sec.
176.170(c) of this chapter; or
(b) Ethylene polymers and copolymers
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 2.3,
3.1a, 3.1b, 3.2a, or 3.6 (where the
density of each of these polymers is
at least 0.94 gram per cubic
centimeter), or 5. The finished
polymers may only be used in contact
with food of the types identified in
Sec. 176.170(c) of this chapter,
Table 1, under Categories III, IV-A,
V, VI-C, VII-A, and IX, and under
conditions of use B through H
described in Table 2 of Sec.
176.170(c) of this chapter; provided
that the finished food-contact
articles have a volume of at least
18.9 liters (5 gallons).
3. At levels not to exceed 0.02
percent by weight of ethylene
polymers and copolymers complying
with Sec. 177.1520(c) of this
chapter, items 2.1, 2.2, 2.3, 3.1a,
3.1b, 3.2a, 3.4, 3.5, or 3.6 (where
the density of each of these polymers
is less than 0.94 gram per cubic
centimeter). The finished polymers
may only be used in contact with food
of the types identified in Sec.
176.170(c) of this chapter, Table 1,
under Categories III, IV-A, V, VI-C,
VII-A, and IX, and under conditions
of use B through H described in Table
2 of Sec. 176.170(c) of this
chapter; provided that the average
thickness of such polymers in the
form in which they contact food shall
not exceed 50 micrometers (0.002
inch).
3,9-Bis[2-{3-(3-tert-butyl-4- For use only:
hydroxy-5- 1. At levels not to exceed 0.2 percent
methylphenyl)propionyloxy{time} by weight of polypropylene complying
.1,1-dimethylethyl]-2,4,8,10- with Sec. 177.1520(c), item 1.1 of
tetraoxaspiro[5.5]undecane (CAS this chapter. The finished polymer is
Reg. No. 90498-90.1). to be used in contact with food only
under conditions of use D through H
described in table 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.3 percent
by weight of polyethylene complying
with Sec. 177.1520(c) of this
chapter, item 2.1, provided that the
polymer has a minimum density of 0.94
grams per cubic centimeter and is
used in contact with food only under
conditions of use D through G
described in table 2 of Sec.
176.170(c) of this chapter.
3. At levels not to exceed 0.3 percent
by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, items 1.1, 3.1, and
3.2, where the copolymers complying
with items 3.1 and 3.2 contain not
less than 85 weight percent of
polymer units derived from propylene.
The finished polymer is to be used in
contact with food of types I, II, IV-
B, VI-A, VI-B, VI-C, VII-B, and VIII
under conditions of use A through H
described in tables 1 and 2 of Sec.
176.170(c) of this chapter.
[[Page 372]]
4-[[4,6-Bis(octylthio)-s-triazin- For use only:
2-yl]amino]-2,6-di-tert- 1. At levels not to exceed 0.5 percent
butylphenol (CAS Reg. No. 991- by weight: in styrene block
84-4). copolymers complying with Sec.
177.1810 of this chapter; in rosins
and rosin derivatives complying with
Sec. 175.300(b)(3)(v) of this
chapter; in can end cement
formulations complying with Sec.
175.300(b)(3)(xxxi) of this chapter;
in side seam cement formulations
complying with Sec.
175.300(b)(3)(xxxii) of this chapter;
in petroleum alicyclic hydrocarbon
resins and terpene resins complying
with Sec. 175.320(b)(3) of this
chapter; in rosin and rosin
derivatives complying with Sec.
176.170(a)(5) of this chapter; in
petroleum alicyclic hydrocarbon
resins or their hydrogenated products
complying with Sec. 176.170(b)(2)
of this chapter; in terpene resins
complying with Sec.
175.300(b)(2)(xi) of this chapter,
when such terpene resins are used in
accordance with Sec. 176.170(b)(1)
of this chapter; in resins and
polymers complying with Sec.
176.180(b) of this chapter; in
closures with sealing gaskets
complying with Sec. 177.1210 of
this chapter; in petroleum
hydrocarbon resin and rosins and
rosin derivatives complying with Sec.
178.3800(b) of this chapter; and in
reinforced wax complying with Sec.
178.3850 of this chapter.
2. At levels not to exceed 0.2 percent
by weight of the finished cellophane
complying with Sec. 177.1200 of
this chapter.
3. At levels not to exceed 0.1 percent
by weight in polystyrene and rubber-
modified polystyrene complying with
Sec. 177.1640 of this chapter:
Provided, That the finished
polystyrene and rubber-modified
polystyrene polymer contact food only
under conditions of use B through G
described in table 2 of Sec.
176.170(c) of this chapter.
4. In adhesives complying with Sec.
175.105 of this chapter; in pressure-
sensitive adhesives complying with
Sec. 175.125 of this chapter; and
as provided in Sec. 177.2600 of
this chapter.
4,4'-Bis([alpha],[alpha]- For use at levels not to exceed 0.3
dimethylbenzyl)diphenyl amine percent by weight of polypropylene
(CAS Reg. No. 10081-67.1). complying with Sec. 177.1520(c) of
this chapter. The polypropylene
articles are limited to use in
contact with non-fatty foods only.
Boric acid (CAS Reg. No. 10043- For use only at levels not to exceed
35-3). 0.16 percent by weight of ethylene-
vinyl acetate-vinyl alcohol
copolymers complying with Sec.
177.1360(a)(3) and (d) of this
chapter.
1,3-Butanediol..................
Butylated reaction product of p- For use only:
cresol and dicyclopentadiene 1. As components of nonfood articles
produced by reacting p-cresol complying with Sec. Sec. 175.105
and dicyclopentadiene in an and 177.2600(c)(4)(iii) of this
approximate mole ratio of 1.5 chapter.
to 1, respectively, followed by 2. At levels not to exceed 1.0 percent
alkylation with isobutylene so by weight of acrylonitrile/butadiene/
that the butyl content of the styrene copolymers. The finished
final product is not less than copolymers may be used in contact
18 percent. with food of Types I, II, IV-B, VI-A,
VI-B, VII-B, and VIII under
conditions of use B through H, as
described in tables 1 and 2 of Sec.
176.170(c) of this chapter, and with
food of Types III, IV-A, V, VI-C, VII-
A, and IX under conditions of use C
through G as described in tables 1
and 2 of Sec. 176. 170(c) of this
chapter.
[[Page 373]]
Butylated, styrenated cresols For use only:
produced when equal moles of 1. As provided in Sec. Sec. 175.105
isobutylene, styrene, and a and 177.2600 of this chapter.
metacresol-paracresol mixture 2. At levels not to exceed 0.5 percent
having a no more than 3 [deg]C by weight of polystyrene, rubber-
distillation range including modified polystyrene, or olefin
202 [deg]C are made to react so polymers complying with Sec.
that the final product meets 177.1520 (c) of this chapter, items
the following specifications: 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
Not less than 95 percent by 3.2, 3.3, or 4, or complying with
weight of total alkylated other sections in parts 174, 175,
phenols consisting of 13-25 176, 177, 178 and Sec. 179.45 of
percent by weight of butylated this chapter, used in articles that
m- and p-cresols, 26-38 percent contact food only unded the
by weight of styre nated m- and conditions described in Sec.
p-cresols, 37-49 percent by 176.170(c) of this chapter, table 2,
weight of butylated styrenated under conditions of use C through G.
m- and p-cresols, and not more
than 10 percent by weight total
of alkylated xylenols,
alkylated o-cresol, alkylated
phenol, and alkylated
ethylphenol; acidity not more
than 0.003 percent; and
refractive index at 25 [deg]C
of 1.5550.1.5650, as determined
by ASTM method D1218-82,
``Standard Test Method for
Refractive Index and Refractive
Dispersion of Hydrocarbon
Liquids,'' which is
incorporated by reference.
Copies may be obtained from the
American Society for Testing
Materials, 100 Barr Harbor Dr.,
West Conshohocken,
Philadelphia, PA 19428-2959, or
may be examined at the National
Archives and Records
Administration (NARA). For
information on the availability
of this material at NARA, call
202-741-6030, or go to: http://
www.archives.gov/federal--
register/code--of--federal--
regulations/ibr--
locations.html..
2-tert-Butyl-a(3-tert-butyl-4- For use only:
hydroxyphenyl)-p-cumenyl bis(p- 1. As components of nonfood articles
nonylphenyl) phosphite; the complying with Sec. Sec. 175.105
nonyl group is a propylene and 177.2600 of this chapter.
trimer isomer and the 2. At levels not to exceed 1.35
phosphorus content is in the percent by weight of natural rubber,
range 3.8-4.0 weight percent. butadiene-acrylonitrile, butadiene-
acrylonitrile-styrene, and butadiene-
styrene polymers that are used in
contact with nonalcoholic food at
temperatures not to exceed room
temperature and that are employed in
closure-sealing gaskets complying
with Sec. 177.1210 of this chapter
or in coatings complying with Sec.
175.300, Sec. 175.320, or Sec.
176.170 of this chapter. The average
thickness of such coatings and
closure-sealing gaskets shall not
exceed 0.004 inch.
2-(3'-tert-Butyl-2'-hydroxy-5'- For use only at levels not to exceed
methyl-phenyl)-5- 0.5 percent by weight of olefin
chlorobenzotriazole with a polymers complying with Sec.
melting point of 137.141 [deg]C. 177.1520(c) of this chapter, provided
that the finished polymer contacts
foods only of the types identified in
Categories I, II, IV-B, VI-A and B,
VII-B, and VIII in table 1, Sec.
176.170 of this chapter.
4,4'-Butylidenebis(6-tert-butyl- For use only.
m-cresol). 1. As provided in Sec. Sec. 175.105
and 177.2600 of this chapter.
2. At levels not to exceed 0.5 percent
by weight of polypropylene complying
with Sec. 177.1520 of this chapter
and for use at levels not to exceed
0.3 percent by weight of polyethylene
complying with Sec. 177.1520 of
this chapter, provided that the
finished polypropylene and
polyethylene contact food only of the
types identified in Sec. 176.170(c)
of this chapter, table 1, under
Categories I, II, VI-B, and VIII.
Butyric acid, 3,3-bis(3-tert- For use only:
butyl-4-hydroxyphenyl)ethylene 1. At levels not to exceed 0.5 percent
ester (CAS Reg. No. 32509-66-3). by weight of olefin copolymers
complying with Sec. 177.1520(c) of
this chapter, items 3.1 and 3.2
except that when used in contact with
foods described as types III, IV-A,
V, VII-A, and IX in table 1 of Sec.
176.170(c) of this chapter, the
olefin copolymers may only be used
under conditions of use E, F, and G
set forth in table 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.5 percent
by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 1.1, 3.1, or 3.2
(where the copolymers complying with
items 3.1 and 3.2 contain not less
than 85 weight-percent of polymer
units derived from propylene).
3. At levels not to exceed 0.2 percent
by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 3.1,
and 3.2.
Calcium benzoate................
[[Page 374]]
Calcium bis[monoethyl(3,5-di- For use only:
tert-butyl-4-hydroxy- 1. At levels not to exceed 0.25
benzyl)phosphonate] (CAS Reg. percent by weight of polypropylene
No. 65140-91-2). that complies with Sec. 177.1520(c)
of this chapter, items 1.1, 1.2, and
1.3.
2. At levels not to exceed 0.2 percent
by weight of polyethylene and olefin
copolymers that comply with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1, 3.2, 3.3, 3.4,
3.5, and 3.6. Finished polymers
having a density less than 0.94 gram
per cubic centimeter shall be used in
contact with food only under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
3. In adhesives complying with Sec.
175.105 of this chapter.
4. At levels not to exceed 0.5 percent
by weight of pressure-sensitive
adhesives complying with Sec.
175.125 of this chapter.
5. At levels not to exceed 0.5 percent
by weight of rosins and rosin
derivatives complying with Sec.
175.300(b)(3)(v) of this chapter.
6. At levels not to exceed 0.5 percent
by weight of can end cement
formulations complying with Sec.
175.300(b)(3)(xxxi) of this chapter.
7. At levels not to exceed 0.5 percent
by weight of side seam cement
formulations complying with Sec.
175.300(b)(3)(xxxii) of this chapter.
8. At levels not to exceed 0.5 percent
by weight of petroleum alicyclic
hydrocarbon resins complying with
Sec. 175.320(b)(3) of this chapter.
9. At levels not to exceed 0.5 percent
by weight of rosin and rosin
derivatives complying with Sec.
176.170(a)(5) of this chapter; and
petroleum alicyclic hydrocarbon
resins, or the hydrogenated product
thereof, complying with Sec.
176.170(b)(2) of this chapter.
10. At levels not to exceed 0.5
percent by weight of resins and
polymers used as components of paper
and paperboard in contact with dry
food in compliance with Sec.
176.180 of this chapter.
11. At levels not to exceed 0.5
percent by weight of closures with
sealing gaskets complying with Sec.
177.1210 of this chapter.
12. At levels not to exceed 0.5
percent by weight of the finished
rubber article complying with Sec.
177.2600 of this chapter.
13. At levels not to exceed 0.5
percent by weight of petroleum
hydrocarbon resin and rosins and
rosin derivatives complying with Sec.
178.3800(b).
14. At levels not to exceed 0.5
percent by weight of reinforced wax
complying with Sec. 178.3850.
15. At levels not to exceed 0.3
percent by weight of polyethylene
phthalate polymers, complying with
Sec. 177.1630 of this chapter.
Provided, that the finished polymers
contact food only under conditions of
use B through H described in Table 2
of Sec. 176.170(c) of this chapter.
Calcium myristate...............
Calcium ricinoleate............. For use only at levels not to exceed 1
percent by weight of polyoxymethylene
copolymer as provided in Sec.
177.2470(b)(1) of this chapter.
Calcium stearate................
Carbethoxymethyl diethyl At levels not to exceed 0.07 percent
phosphonate (CAS Reg. No. 867- by weight of polyethylene phthalate
13-0). polymers complying with Sec.
177.1630 of this chapter.
Cerium stereate (CAS Reg. No. For use only at levels not to exceed
10119-53-6). 0.5 percent by weight in rigid and
semirigid vinyl chloride homo- and
copolymer articles modified in
accordance with Sec. 178.3790(b)(1)
of this chapter that contact food
under conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
Cupric acetate and lithium For use at levels not exceeding 0.025
iodide. percent cupric acetate and 0.065
percent lithium iodide by weight of
nylon 66 resins complying with Sec.
177.1500 of this chapter; the
finished resins are used or are
intended to be used to contain foods
during oven baking or oven cooking at
temperatures above 250 [deg]F. The
average thickness of such resins in
the form in which they contact food
shall not exceed 0.0012 inch.
Cuprous iodide.................. For use at levels not exceeding 0.01
percent cuprous iodide by weight of
nylon 66T resins complying with Sec.
177.1500 of this chapter; the
finished resins are used or are
intended to be used to contain foods
during oven baking or oven cooking at
temperatures above 250 [deg]F. The
average thickness of such resins in
the form in which they contact food
shall not exceed 0.001 inch.
Cuprous iodide and cuprous For use at levels not exceeding 0.0025
bromide. percent cuprous iodide and 0.0175
percent cuprous bromide by weight of
nylon 66 resins complying with Sec.
177.1500 of this chapter; the
finished resins are used or are
intended to be used to contain foods
during oven baking or oven cooking at
temperatures above 250 [deg]F. The
average thickness of such resins in
the form in which they contact food
shall not exceed 0.0015 inch.
Cyanoguanidine.................. For use only at levels not to exceed 1
percent by weight of polyoxymethylene
copolymer as provided in Sec.
177.2470(b)(1) of this chapter.
[[Page 375]]
Cyclic neopentanetetrayl For use only at levels not to exceed
bis(octadecyl phosphite) (CAS 0.1 percent by weight of ethylene-
Reg. No. 3806-34-6); the vinyl acetate copolymers complying
phosphorus content is in the with Sec. 177.1350 of this chapter
range of 7.8 to 8.2 weight that contact food under conditions of
percent. use E, F, and G described in table 2
of Sec. 176.170(c) of this chapter.
Cyclic neopentanetetrayl For use only:
bis(octadecyl phosphite) (CAS 1. At levels not to exceed 0.25
Reg. No. 3806-34-6) (which may percent by weight of olefin polymers
contain not more than 1 percent complying with Sec. 177.1520(c) of
by weight of this chapter, items 1.1, 2.1, and
triisopropanolamine (CAS Reg. 3.1.
No. 122-20-3)); the phosphorus 2. At levels not to exceed 0.25
content is in the range of 7.8 percent by weight of olefin polymers
to 8.2 weight percent. complying with Sec. 177.1520(c) of
this chapter, item 2.2, that contact
food Types I, II, VI-A, VII-B, and
VIII described in table 1 of Sec.
176.170(c) of this chapter under
conditions of use B (for boil-in-bag
applications), C, D, E, F, G, and H
described in table 2 of Sec.
176.170(c) of this chapter.
3. At levels not to exceed 0.15
percent by weight of olefin polymers
complying with Sec. 177.1520, items
1.1 and 3.2, that contact food Types
I, II, VI-A, VII-B, and VIII
described in table 1 of Sec.
176.170(c) of this chapter under
conditions of use B (for boil-in-bag
applications), C, D, E, F, G, and H
described in table 2 of Sec.
176.170(c) of this chapter.
4. At levels not to exceed 0.20
percent by weight of polystyrene and/
or rubber modified polystyrene
complying with Sec. 177.1640 of
this chapter that contact food under
conditions of use E, F, and G
described in table 2 of Sec.
176.170(c) of this chapter.
4,4'-Cyclohexylidenebis(2- For use only at levels not to exceed
cyclohexylphenol). 0.1 percent by weight of olefin
polymers complying with Sec.
177.1520(c) of this chapter, items
1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
3.2, 3.3, or 4: Provided, That the
finished polymers contact food only
of the types identified in Sec.
176.170(c) of this chapter, table 1,
under Categories I, II, IV-B, VI, VII-
B, and VIII.
Dicetyl thiodipropionate having The concentration of this additive and
a melting point of 59[deg]-62 any other permitted antioxidants in
[deg]C as determined by ASTM the finished food-contact article
method E324-79, ``Standard Test shall not exceed a total of 0.5
Method for Relative Initial and milligram per square inch of food-
Final Melting Points and the contact surface.
Melting Range of Organic
Chemicals,'' and a
saponification value in the
range 176.183 as determined by
ASTM method D1962-67
(Reapproved 1979), ``Standard
Test Method for Saponification
Value of Drying Oils, Fatty
Acids, and Polymerized Fatty
Acids,'' which are incorporated
by reference. Copies may be
obtained from the American
Society for Testing Materials,
100 Barr Harbor Dr., West
Conshohocken, Philadelphia, PA
19428-2959, or may be examined
at the National Archives and
Records Administration (NARA).
For information on the
availability of this material
at NARA, call 202-741-6030, or
go to: http://www.archives.gov/
federal--register/code--of--
federal--regulations/ibr--
locations.html..
Didodecyl- 1,4-dihydro-2,6- For use only at levels not to exceed
dimethyl-3,5-pyridinedicarboxyl 0.3 percenmt by weight in rigid
ate (CAS Reg. No. 36265-41-5). polymer articles modified in
accordance with Sec. 178.3790 that
contact food, under conditions of use
E, F, and G described in table 2 of
Sec. 176.170 of this chapter.
2,6-Di([alpha]-methyl benzyl)-4- For use only at levels not to exceed
methyl phenol [Chemical 0.2 percent by weight of olefin
Abstracts Service Registry No. polymers complying with item 3.4 in
1817-68.1]. Sec. 177.1520(c) of this chapter,
provided that such olefin polymers
are limited to use at a level not to
exceed 25 percent by weight in other
olefin polymers complying with Sec.
177.1520 of this chapter; and the
total amount in such finished olefin
polymers not to exceed 0.05 percent
by weight, including the level that
may be contributed by its presence at
6 percent in the item ``butylated,
styrenated cresols * * * '' listed in
this paragraph; and further provided
that the finished olefin polymers are
intended for contact with foods,
except those containing more than 8
percent alcohol.
2,4-Dimethyl-6-(1- For use only:
methylpentadecyl)phenol (CAS 1. At levels not to exceed 0.3 percent
Reg. No. 134701-20-5). by weight of acrylonitrile-butadiene-
styrene copolymers used in accordance
with applicable regulations in parts
175, 176, 177, and 181 of this
chapter, under conditions of use C
through H as described in table 2 of
Sec. 176.170(c) of this chapter.
2. At levels not to exceed 0.033
percent by weight of rigid polyvinyl
chloride, under conditions of use A
through H as described in table 2 of
Sec. 176.170(c) of this chapter.
[[Page 376]]
Dimethyl succinate polymer with For use only:
4-hydroxy-2,2,6,6-tetramethyl.1- 1. At levels not to exceed 0.3 percent
piperidineethanol (CAS Reg. No. by weight of olefin polymers
65447-77-0). complying with Sec. 177.1520 of
this chapter and under conditions of
use B through H described in table 2
of Sec. 176.170(c) of this chapter.
2. At levels not to exceed 0.3 percent
by weight of ethylene-vinyl acetate
copolymers complying with Sec.
177.1350 of this chapter and under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
Dimethyltin/monomethyltin For use only at levels not to exceed 2
isooctylmercaptoacetates percent by weight:
consisting of 5 to 90 percent 1. In rigid polyvinyl chloride used in
by weight of monomethyltin tris the manufacture of pipes intended for
(isooctylmercaptoacetate) (CAS contact with water in food-processing
Reg. No. 54849-38-6) or plants, and
monomethyltin tris(2- 2. In rigid polyvinyl chloride and in
ethylhexylmercaptoacetate) (CAS rigid vinyl chloride copolymers
Reg. No. 57583-34-3) and 10 to complying with Sec. 177.1950 of
95 percent by weight of this chapter or Sec. 177.1980 of
dimethyltin bis this chapter for use in contact with
(isooctylmercaptoacetate) (CAS food of Types I, II, III, IV (except
Reg. No. 26636-01.1) or liquid milk), V, VI, VII, VIII, and
dimethyltin bis(2- IX described in table 1 of Sec.
ethylhexylmercaptoacetate) (CAS 176.170(c) of this chapter under
Reg. No. 57583-35-4), and no conditions of use C through G
more than 0.4 percent by weight described in table 2 of Sec.
of trimethyltin compounds, and 176.170(c) of this chapter at
having the following temperatures not to exceed 88 [deg]C
specifications: Tin content (as (190 [deg]F).
Sn) in the range of 15 to 21
percent and mercaptosulfur
content in the range of 11 to
13.5 percent. Other alkyltin
compounds are not to exceed 20
ppm.
Dimyristyl thiodipropionate Finished food-contact articles
having a melting point of containing this additive shall meet
48[deg]-52 [deg]C as determined the extractives limitations
by ASTM method E324-79, prescribed in Sec. 176.170(c) of
``Standard Test Method for this chapter.
Relative Initial and Final
Melting Points and the Melting
Range of Organic Chemicals,''
and a saponification equivalent
in the range 280-290 as
determined by ASTM method D1962-
67 (Reapproved 1979),
``Standard Test Method for
Saponification Value of Drying
Oils, Fatty Acids, and
Polymerized Fatty Acids,''
which are incorporated by
reference. Copies may be
obtained from the American
Society for Testing Materials,
1916 Race St., Philadelphia PA
19103, or may be examined at
the National Archives and
Records Administration (NARA).
For information on the
availability of this material
at NARA, call 202-741-6030, or
go to: http://www.archives.gov/
federal--register/code--of--
federal--regulations/ibr--
locations.html..
Di(n-octyl)tin bis(2-ethylhexyl For use only at levels not to exceed
maleate) [CAS Reg. No. 10039-33- 0.5 percent by weight of
5] having 12.5 to 15.0 percent acrylonitrile copolymers complying
by weight of tin (Sn) and with Sec. Sec. 177.1020 and
having a saponification number 177.1030 of this chapter and used in
of 260 to 280. The additive is contact with all food types under
made from di(n-octyl)tin oxide conditions of use C through G
meeting the specifications of described in table 2 of Sec.
Sec. 178.2650(a)(1). 176.170(c) of this chapter.
N,N'-Diphenylthiourea........... For use only:
1. At levels not to exceed 0.5 percent
by weight of polyvinyl chloride and/
or vinyl chloride copolymers
complying with Sec. 177.1980 of
this chapter.
2. At levels not to exceed 0.5 percent
by weight of vinyl chloride-vinyl
acetate copolymers containing not
more than 20 molar percent of vinyl
acetate.
2-(4,6-Diphenyl.1,3,5-triazin-2- For use only
yl)-5-hexyloxy)phenol (CAS Reg. 1. At levels not to exceed 0.5 percent
No. 147315-50-2). by weight of polycarbonate resins
complying with Sec. 177.1580 of
this chapter.
2. At levels not to exceed 0.5 percent
by weight of polyester elastomers
complying with Sec. 177.1590 of
this chapter.
3. At levels not to exceed 0.5 percent
by weight of polyethylene phthalate
polymers complying with Sec.
177.1630 of this chapter, in contact
with food under conditions of use A
through H described in Table 2 of
Sec. 176.170(c) of this chapter.
[[Page 377]]
2,6-Di-tert-butyl-4-ethylphenol. For use only in contact with
nonalcoholic foods:
1. At levels not exceeding 0.04 mg/in
\2\ of food contact surface and not
exceeding 0.1 percent by weight in
ethylene polymers and copolymers
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 2.3,
3.1, 3.2, and 3.3; Sec. 177.1340;
and Sec. 177.1350 of this chapter.
The average thickness of such
polymers and copolymers in the form
in which they contact food shall not
exceed 0.0025 in.
2. At levels not exceeding 0.04 mg/in
\2\ of food contact surface in
ethylene polymers and copolymers
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 2.3,
3.1, 3.2, and 3.3; Sec. 177.1340;
and Sec. 177.1350 of this chapter.
The average thickness of such
polymers and copolymers in the form
in which they contact food shall be
greater than 0.0025 in but shall not
exceed 0.025 in.
3,5-Di-tert-butyl-4- For use only:
hydroxyhydrocinnamic acid 1. At levels not to exceed 0.5 percent
triester with 1,3,5-tris(2- by weight of polypropylene complying
hydroxyethyl)-s-triazine-2,4,6- with Sec. 177.1520 of this chapter
(1H,3H,5H)-trione (CAS Reg. No. in articles that contact food not in
34137-09-2). excess of high temperature heat-
sterilized condition of use A
described in Sec. 176.170(c) of
this chapter, table 2.
2. At levels not to exceed 0.5 percent
by weight of polyethylene complying
with Sec. 177.1520 of this chapter
in articles that contact food not in
excess of high temperature heat-
sterilized condition of use A
described in 176.170(c) of this
chapter, table 2.
3. In adhesives complying with Sec.
175.105 of this chapter.
4. At levels not to exceed 0.25
percent by weight of olefin
copolymers complying with Sec.
177.1520(c) of this chapter, items
3.1, 3.2, 3.3, 3.4, 3.5, and 4.0.
5. At levels not to exceed 2 percent
by weight of polyester elastomers,
complying with Sec. 177.1590 of
this chapter, in contact with dry
food only, and finished rubber
articles for repeated use, complying
with Sec. 177.2600 of this chapter,
in contact with all foods, at
temperatures not to exceed 150
[deg]F.
Di-tert-butyl-m-cresyl For use only:
phosphonite condensation 1. At levels not to exceed 0.1 percent
product with biphenyl (CAS Reg. by weight of olefin polymers
No. 178358-58-2) produced by complying with Sec. 177.1520(c) of
the condensation of 4,6-di-tert- this chapter, items 1.1, 2.1, 2.2,
butyl-m-cresol with the Friedel- 3.1(a), 3.1(b), 3.2(a), or 3.2(b).
Crafts addition product
(phosphorus trichloride and
biphenyl) so that the food
additive has a minimum
phosphorus content of 5.0
percent.
Di-tert-butylphenyl phosphonite For use only:
condensation product with 1. At levels not to exceed 0.1 percent
biphenyl (CAS Reg. No. 119345- by weight of olefin polymers
01-6) produced by the complying with Sec. 177.1520(c) of
condensation of 2,4-di-tert- this chapter, items 1.1, 1.2, 1.3,
butylphenol with the Friedel- 3.2b, 3.3a, 3.3b, 3.4, 3.5, and 3.1a
Crafts addition product (where the density is not less than
(phosphorus trichloride and 0.85 gram per cubic centimeter and
biphenyl) so that the food not more than 0.91 gram per cubic
additive has a minimum centimeter); and 2.1, 2.2, 2.3, 3.1a,
phosphorus content of 5.4 3.1b, 3.2a, and 3.6 (where the
percent, an acid value not density is not less than 0.94 gram
exceeding 10 mg KOH/gm, and a per cubic centimeter) and 5.
melting range of 85 [deg]C to 2. At levels not to exceed 0.1 percent
110 [deg]C (185 [deg]F to 230 by weight of polycarbonate resins
[deg]F). complying with Sec. 177.1580 of
this chapter.
3. At levels not to exceed 0.2 percent
by weight of polystyrene and 0.3
percent by weight of rubber-modified
polystyrene complying with Sec.
177.1640 of this chapter.
4. At levels not to exceed 0.15
percent by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 2.3,
3.1a, 3.1b, 3.2a, 3.4, 3.5, and 3.6
(where the polyethylene component has
a density less than 0.94 gram per
cubic centimeter).
5. At levels not to exceed 0.1 percent
by weight of repeated use rubber
articles complying with Sec.
177.2600 of this chapter.
[[Page 378]]
2,4-Di-tert-butylphenyl-3,5-di- For use only:
tert-butyl-4-hydroxy-benzoate 1. At levels not to exceed 0.6 percent
(CAS Reg. No. 4221-80.1). by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 1.1: (1) when used
in single-use articles that contact
food of types I, II, IV-B, VI-A, VI-
B, VII-B, and VIII, identified in
table 1 of Sec. 176.170(c) of this
chapter; and (2) when used in
repeated-use articles that contact
food of types I, II, III, IV, V, VI,
VII, VIII, and IX identified in table
1 of Sec. 176.170(c) of this
chapter. The additive is used under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.25
percent by weight of olefin polymers
having a density of not less than
0.94 gram per cubic centimeter and
complying with Sec. 177.1520(c) of
this chapter, items 2.1, 2.2, 3.1,
and 3.2: (1) when used in single-use
articles that contact food of types
I, II, IV-B, VI-A, VI-B, VII-B, and
VIII, identified in table 1 of Sec.
176.170(c) of this chapter; and (2)
when used in repeated-use articles
that contact food of types I, II,
III, IV, V, VI, VII, VIII, and IX
identified in table 1 of Sec.
176.170(c) of this chapter. The
additive is used under conditions of
use B through H described in table 2
of Sec. 176.170(c) of this chapter.
2,4-Di-tert-pentyl-6-[1-(3,5-di- For use only:
tert-pentyl-2- 1. At levels not to exceed 0.2 percent
hydroxyphenyl)ethyl]phenyl by weight of polypropylene complying
acrylate (CAS Reg. No. 123968- with Sec. 177.1520 of this chapter
25-2). in contact with food under conditions
of use D through G as described in
Table 2 of Sec. 176.170(c) of this
chapter, except that polypropylene
containing the additive at levels not
to exceed 0.075 percent by weight may
contact food under conditions of use
A through H described in Table 2 of
Sec. 176.170(c) of this chapter.
2. At levels not to exceed 1.0 percent
by weight of of styrene block
polymers complying with Sec.
177.1810 of this chapter. The
additive is used under conditions of
use D through G as described in Table
2 of Sec. 176.170(c) of this
chapter.
3. At levels not to exceed 1.0 percent
by weight of polystyrene and rubber
modified polystyrene complying with
Sec. 177.1640 of this chapter in
contact with food under conditions of
use D through G as described in Table
2 of Sec. 176.170(c) of this
chapter.
N,N''.1,2-Ethanediylbis[N-[3-[[4 For use only:
,6-bis[butyl(1,2,2,6,6- 1. At levels not to exceed 0.06
pentamethyl-4- percent by weight of olefin polymers
piperidinyl)amino].1,3,5- complying with Sec. 177.1520(c) of
triazin-2-yl]amino]propyl]- this chapter, items 1.1a, 1.1b, 1.2,
N',N''-dibutyl-N',N''- or 1.3. The finished polymers may
bis(1,2,2,6,6-pentamethyl-4- only be used in contact with food of
piperidinyl).1,3,5-triazine- the Types III, IV-A, V, VI-C, VII-A,
2,4,6-triamine] (CAS Reg. No. and IX as described in table 1 of
106990-43-6). Sec. 176.170(c) of this chapter,
and under conditions of use A through
H as described in table 2 of Sec.
176.170(c) of this chapter.
2. At levels not to exceed 0.08
percent by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter. The finished polymers
may only be used in contact with food
of the Types I, II, IV-B, VI-A, VI-B,
VII-B, and VIII as described in table
1 of Sec. 176.170(c) of this
chapter, and under conditions of use
A through H as described in table 2
of Sec. 176.170(c) of this chapter.
Ethylenebis(oxyethylene)-bis-(3- 1. At levels not to exceed 0.3 percent
tert-butyl-4-hydroxy-5- by weight of polystyrene and/or
methylhydrocinnamate) (CAS Reg. rubber modified polystyrene polymers
No. 36443-68-2). complying with Sec. 177.1640 of
this chapter.
2. At levels not to exceed 0.3 percent
by weight of acrylonitrile-butadiene-
styrene copolymers used in accordance
with applicable regulations in parts
175, 176, 177, and 181 of this
chapter.
3. At levels not to exceed 0.75
percent by weight of polyoxymethylene
copolymers used in accordance with
Sec. 177.2470 of this chapter. The
finished articles shall not be used
for foods containing more than 15
percent alcohol.
4. At levels not to exceed 0.25
percent by weight of polyoxymethylene
homopolymers used in accordance with
Sec. 177.2480 of this chapter. The
finished articles shall not be used
for foods containing more than 15
percent alcohol.
5. At levels not to exceed 0.2 percent
by weight of rigid vinyl chloride
plastics prepared from vinyl chloride
homopolymers and/or vinly chloride
copolymers used in accordance with a
prior sanction or applicable
regulations in parts 175, 176, and
177 of this chapter. The vinyl
chloride copolymers shall contain not
less than 50 weight percent of total
polymer units derived from vinyl
chloride.
6. At levels not to exceed 0.1 percent
by weight of vinylidene chloride
homopolymers and/or vinylidene
chloride copolymers used in
accordance with a prior sanction or
applicable regulations in parts 175,
176, and 177 of this chapter. The
vinylidene chloride copolymers shall
contain not less than 50 weight
percent of total polymer units
derived from vinylidene chloride.
7. In adhesives used in accordance
with Sec. 175.105 of this chapter.
[[Page 379]]
2,2'-Ethylidenebis(4,6-di-tert- For use only:
butylphenol) (CAS Reg. No. 1. At levels not to exceed 0.1 percent
35958-30-6). by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 1.1, 1.2, 1.3,
3.1, or 3.2 (where the polymers
complying with items 3.1 and 3.2
contain primarily polymer units
derived from propylene).
2. At levels not to exceed 0.05
percent by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 2.1, 2.2, or 2.3.
The finished polymers are to be used
only under conditions of use B
through H described in table 2 of
Sec. 176.170(c) of this chapter.
3. At levels not to exceed 0.075
percent by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 2.1, 2.2, or 2.3
(where the density of each of these
polymers is not less than 0.94 g/cc)
and item 3.1 or 3.2 (where each of
these polymers contains primarily
polymer units derived from ethylene).
4. At levels not to exceed 0.05
percent by weight of olefin polymers
complying with Sec. 177.1520(c) of
this chapter, item 3.3, 3.4, 3.5, or
4.
5. At levels not to exceed 0.1 percent
by weight of ethylene vinyl acetate
copolymers complying with Sec.
177.1350 of this chapter and under
conditions of use C through G
described in table 2 of Sec.
176.170(c) of this chapter.
6. At levels not to exceed 0.1 percent
by weight of rigid or semirigid
polyvinyl chloride and under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
7. At levels not to exceed 0.2 percent
by weight of acrylonitrile-butadiene-
styrene copolymers containing less
than 30 percent by weight of
acrylonitrile and under conditions of
use D through G described in table 2
of Sec. 176.170(c) of this chapter.
8. At levels not to exceed 0.1 percent
by weight of polystyrene complying
with Sec. 177.1640 of this chapter
and under conditions of use D through
G described in table 2 of Sec.
176.170(c) of this chapter.
9. At levels not to exceed 0.2 percent
by weight of rubber-modified
polystyrene complying with Sec.
177.1640 of this chapter.
10. In adhesives complying with Sec.
175.105 of this chapter.
[[Page 380]]
2,2'-Ethylidenebis(4,6-di-tert- For use only:
butylphenyl)fluorophosphonite 1. As provided in Sec. 175.105 of
(CAS Reg. No. 118337-09-0). this chapter.
2. In all polymers used in contact
with food of types I, II, IV-B, VI-A,
VI-B, VII-B, and VIII, under
conditions of use B through H
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter at levels
not to exceed 0.25 percent by weight
of polymers.
3. In polypropylene complying with
Sec. 177.1520(c) of this chapter,
item 1.1, in contact with food of
types III, IV-A, V, VII-A, and IX,
under:
(a) Conditions of use B through H
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter at levels
not to exceed 0.25 percent by weight
of the polymer; or
(b) Condition of use A, limited to
levels not to exceed 0.1 percent by
weight of the polymer; provided that
the food-contact surface has an
average thickness not exceeding 375
micrometers (0.015 inch).
4. In olefin copolymers complying with
Sec. 177.1520(c) of this chapter,
items 3.1a or 3.2a, and containing
not less than 85 percent by weight of
polymer units derived from propylene,
in contact with food of types III, IV-
A, V, VII-A, and IX, and under:
(a) Conditions of use C through G,
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter, limited
to levels no greater than 0.2 percent
by weight of the copolymers; or
(b) Conditions of use A, B, and H,
limited to levels no greater than 0.1
percent by weight of the olefin
copolymers; provided that the food-
contact surface has an average
thickness not exceeding 375
micrometers (0.015 inch).
5. In olefin polymers complying with
Sec. 177.1520(c) of this chapter,
items 1.2 or 1.3 in contact with food
of types III, IV-A, V, VII-A, and IX,
under conditions of use A through H,
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter at levels
not to exceed 0.1 percent by weight
of the polymers; provided that the
food-contact surface has an average
thickness not exceeding 375
micrometers (0.015 inch).
6. In polyethylene complying with Sec.
177.1520(c) of this chapter, items
2.1 or 2.2, having a density of not
less than 0.94, in contact with food
of types III, IV-A, V, VII-A, and IX,
and under:
(a) Conditions of use B through H,
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter limited to
levels not to exceed 0.2 percent by
weight of the polymers; or
(b) Condition of use A, described in
Tables 1 and 2 of Sec. 176.170(c)
of this chapter, limited to levels
not to exceed 0.1 percent by weight
of the polymer; provided that the
food-contact surface has an average
thickness not exceeding 125
micrometers (0.005 inch).
7. In olefin copolymers complying with
Sec. 177.1520(c) of this chapter,
items 3.1a, 3.1b, 3.2a, or 3.2b,
containing not less than 85 percent
by weight of polymer units derived
from ethylene and having a density of
not less than 0.94, in contact with
food of types III, IV-A, V, VII-A,
and IX, and under:
(a) Conditions of use C through G,
described in Tables 1 and 2 of Sec.
176.170(c) of this chapter limited to
levels not to exceed 0.2 percent by
weight of the copolymers; or
(b) Conditions of use A, B, and H,
limited to levels not to exceed 0.1
percent by weight of the copolymers;
provided that the food-contact
surface has an average thickness not
exceeding 125 micrometers (0.005
inch).
8. In olefin polymers complying with
Sec. 177.1520(c) of this chapter,
items 3.1a, 3.1b, 3.2a, or 3.2b
containing not less than 85 percent
by weight of polymer units derived
from ethylene, in contact with food
of types III, IV-A, V, VII-A, and IX,
under conditions of use A through H,
as described in Tables 1 and 2 of
Sec. 176.170(c) of this chapter at
levels not to exceed 0.1 percent by
weight of the copolymer; provided
that the food-contact surface has an
average thickness not exceeding 75
micrometers (0.003 inch).
9. In polyethylene phthalate polymers
complying with Sec. 177.1630 of
this chapter in contact with food of
types III, IV-A, V, VI-C, VII-A, and
IX, and under:
(a) Conditions of use B through H,
described in tables 1 and 2 of Sec.
176.170(c) of this chapter, limited
to levels not to exceed 0.3 percent
by weight of the polymers; or
(b) Condition of use A with food of
types III, IV-A, V, VII-A, and IX,
and limited to levels not to exceed
0.1 percent by weight of the
polymers; provided that the film
thickness does not exceed 875
micrometers (0.035 inch).
Hexadecyl 3,5-di-tert-butyl-4- For use only at levels not to exceed
hydroxybenzoate (CAS Reg. No. 0.5 percent by weight of olefin
67845-93-6). polymers complying with Sec.
177.1520 of this chapter.
[[Page 381]]
Hexamethylenebis (3,5-di-tert- For use only:
butyl-4-hydroxyhydrocinnamate) 1. As provided in Sec.
(CAS Reg. No. 35074-77-2). 177.2470(b)(1) and Sec.
177.2480(b)(1) of this chapter.
2. In adhesives complying with Sec.
175.105 of this chapter.
3. At levels not to exceed 1 percent
by weight in pressure-sensitive
adhesives complying with Sec.
175.125 of this chapter.
4. At levels not to exceed 1 percent
by weight in can end cement
formulations complying with Sec.
175.300(b)(3)(xxxi) of this chapter.
5. At levels not to exceed 1 percent
by weight in side seam cement
formulations complying with Sec.
175.300(b)(3)(xxxii) of this chapter.
6. At levels not to exceed 1 percent
by weight in petroleum alicyclic
hydrocarbon resins, polyamide resins,
and terpene resins complying with
Sec. 175.320 of this chapter.
7. At levels not to exceed 1 percent
by weight in rosin and rosin
derivatives when used in accordance
with Sec. 176.170(a)(5) of this
chapter.
8. At levels not to exceed 1 percent
by weight in petroleum alicyclic
hydrocarbon resins or their
hydrogenated products complying with
Sec. 176.170(b)(2) of this chapter.
9. At levels not to exceed 1 percent
by weight in terpene resins complying
with Sec. 175.300(b)(3)(xi) of this
chapter, when such terpene resins are
used in accordance with Sec.
176.170(b)(1) of this chapter.
10. At levels not to exceed 1 percent
by weight in resins and polymers
authorized for use in accordance with
Sec. 176.180 of this chapter.
11. At levels not to exceed 1 percent
by weight in closures with sealing
gaskets complying with Sec.
177.1210 of this chapter.
12. At levels not to exceed 1 percent
by weight in rubber articles intended
for repeated use complying with Sec.
177.2600 of this chapter.
13. At levels not to exceed 1 percent
by weight in petroleum hydrocarbon
resin and rosins and rosin
derivatives used in accordance with
Sec. 178.3800 of this chapter.
14. At levels not to exceed 1 percent
by weight in reinforced wax complying
with Sec. 178.3850 of this chapter.
N,N'-Hexamethylenebis (3,5-di- For use only:
tert-butyl-4- 1. At levels not to exceed 1 percent
hydroxyhydrocinnamamide) (CAS by weight of nylon resins complying
Reg. No. 23128-74-7). with Sec. 177.1500(b) of this
chapter, items 1 through 8, that
contact food only of the types
identified in categories in Sec.
176.170(c) of this chapter, table 1
except VI-A and VI-C.
2. At levels not to exceed 0.75
percent by weight of nylon 12 resins
complying with Sec. 177.1500(b) of
this chapter, item 9, that contact
food only of the types identified in
categories in Sec. 176.170(c) of
this chapter, table 1, except VI-A
and VI-C.
3. At levels not to exceed 0.6 percent
by weight of polyester resins
complying with Sec.
175.300(b)(3)(vii) of this chapter.
4. At levels not to exceed 0.6 percent
by weight of closures with sealing
gaskets complying with Sec.
177.1210 of this chapter.
5. At levels not to exceed 0.6 percent
by weight of repeated use rubber
articles complying with Sec.
177.2600 of this chapter.
6. At levels not to exceed 0.5 percent
by weight of polyoxymethylene
copolymer complying with Sec.
177.2470 of this chapter.
7. At levels not to exceed 0.5 percent
by weight of polyoxymethylene
homopolymer complying with Sec.
177.2480 of this chapter.
1,6-Hexanediamine, N, N'- For use only as a stabilizer at levels
bis(2,2,6,6-tetramethyl-4- not to exceed 0.3 percent by weight
piperidinyl)-, polymers with of olefin polymers complying with
morpholine-2,4,6-trichloro- Sec. 177.1520(c) of this chapter.
1,3,5-triazine reaction The finished polymers are to contact
products, methylated (CAS Reg. food only under conditions of use C,
No. 193098-40-7). D, E, F, and G, as described in Table
2 of Sec. 176.170(c) of this
chapter. Provided that the finished
food-contact articles have a volume
of at least 18.9 liters (5 gallons).
[[Page 382]]
1,6-Hexanediamine, N,N'- For use only:
bis(2,2,6,6-tetramethyl-4- 1. At levels not to exceed 0.5 percent
piperidinyl)-, polymer with by weight of propylene polymers and
2,4,6-trichloro.1,3,5-triazine, copolymers complying with Sec.
reaction products with N-butyl- 177.1520(c) of this chapter, items
1-butanamine and N-butyl- 1.1, 1.2, 3.1a, 3.2a, 3.2b, 3.4, or
2,2,6,6-tetramethyl-4- 3.5. The finished polymers may
piperidinamine (CAS Reg. No. contact food only of the types
192268-64-7). identified in Sec. 176.170(c) of
this chapter, table 1, under
categories I, II, IV-B, VI-A, VI-B,
VII-B, and VIII, and under conditions
of use B through H described in table
2 of Sec. 176.170(c) of this
chapter.
2. At levels not to exceed 0.3 percent
by weight of propylene polymers and
copolymers complying with Sec.
177.1520(c) of this chapter, items
1.1, 1.2, 3.1a, 3.2a, 3.2b, 3.4, or
3.5. The finished polymers may
contact food only of the types
identified in Sec. 176.170(c) of
this chapter, table 1, under
categories III, IV-A, V, VI-C, VII-A,
and IX, and under conditions of use B
through H described in table 2 of
Sec. 176.170(c) of this chapter.
3. At levels not to exceed 0.5 percent
by weight of ethylene polymers and
copolymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, or
3.6 (where the density of each of
these polymers is at least 0.94 gram
per cubic centimeter), or 5. The
finished polymers may contact food
only of the types identified in Sec.
176.170(c) of this chapter, table 1,
under categories I, II, IV-B, VI-A,
VI-B, VII-B, and VIII, and under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
4. At levels not to exceed 0.05
percent by weight of ethylene
polymers and copolymers complying
with Sec. 177.1520(c) of this
chapter, items 2.1, 2.2, 2.3, 3.1a,
3.1b, 3.2a, or 3.6 (where the density
of each of these polymers is at least
0.94 gram per cubic centimeter), or
5. The finished polymers may contact
food only of the types identified in
Sec. 176.170(c) of this chapter,
table 1, under categories III, IV-A,
V, VI-C, VII-A, and IX, and under
conditions of use B through H
described in table 2 of Sec.
176.170(c) of this chapter.
5. At levels not to exceed 0.5 percent
by weight of ethylene polymers and
copolymers complying with Sec.
177.1520(c) of this chapter, items
2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, 3.4,
3.5, or 3.6 (where the density of
each of these polymers is less than
0.94 gram per cubic centimeter), or
5. The finished polymers may contact
food only of the types identified in
Sec. 176.170(c) of this chapter,
table 1, under categories I, II, IV-
B, VI-A, VI-B, VII-B, and VIII, and
under conditions of use C through G
described in table 2 of Sec.
176.170(c) of this chapter.
6. At levels not to exceed 0.01
percent by weight of ethylene
polymers and copolymers complying
with Sec. 177.1520(c) of this
chapter, items 2.1, 2.2, 2.3, 3.1a,
3.1b, 3.2a, 3.4, 3.5, or 3.6 (where
the density of each of these polymers
is less than 0.94 gram per cubic
centimeter), or 5. The finished
polymers may contact food only of the
types identified in Sec. 176.170(c)
of this chapter, table 1, under
categories III, IV-A, V, VI-C, VII-A,
and IX, and under conditions of use C
through G described in table 2 of
Sec. 176.170(c) of this chapter.
2-Hydroxy-4-isooctoxy- For use only at levels not to exceed
benzophenone. Chemical 0.5 percent by weight of olefin
Abstracts (CA) name: Methanone, copolymers complying with Sec.
[2-hydroxy-4-(isooctyloxy) 177.1520(c) of this chapter: Items
phenyl]phenyl; CA Registry No. 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
33059-05.1. 3.2, 3.3 or 4: Provided, That the
finished polymer contacts food only
of the types identified in Sec.
176.170(c) of this chapter, table 1,
under Categories I, VII-B and VIII
under conditions of use E, F, and G
described in table 2 of Sec.
176.170(c) of this chapter.
[[Page 383]]
2(2'-Hydroxy-5'- For use only:
methylphenyl)benzotriazole 1. As component of nonfood articles
meeting the following complying with Sec. 177.1010 of
specification: melting point this chapter.
126[deg] .132 [deg]C 2. At levels not to exceed 0.25
(258.8[deg] -269.6 [deg]F) (CAS percent by weight of rigid polyvinyl
Reg. No. 2440-22-4). chloride and/or rigid vinyl chloride
copolymers complying with Sec.
177.1980 of this chapter.
3. In polystyrene that complies with
Sec. 177.1640 of this chapter and
that is limited to use in contact
with dry food of Type VIII described
in table 1 of Sec. 176.170(c) of
this chapter.
4. At levels not to exceed 0.25
percent by weight of polystyrene and/
or rubber-modified polystyrene
polymers complying with Sec.
177.1640 of this chapter intended to
contact nonalcoholic food: Provided,
That the finished basic rubber-
modified polystyrene polymers in
contact with fatty foods shall
contain not less than 90 weight
percent of total polymer units
derived from styrene monomer.
5. At levels not to exceed 0.5 percent
by weight of polycarbonate resins
complying with Sec. 177.1580 of
this chapter. Provided, That the
finished polycarbonate resins contact
food only of Types I, II, III, IV, V,
VI-A, VI-B, VII, VIII, and IX
identified in table 1 of Sec.
176.170(c) of this chapter and under
conditions of use E, F, and G
described in table 2 of Sec.
176.170(c) of this chapter.
6. At levels not to exceed 0.5 percent
by weight of ethylene.1,4-
cyclohexylene dimethylene
terephthalate copolymers complying
with Sec. 177.1315 of this chapter
and of ethylene phthalate polymers
complying with Sec. 177.1630 of
this chapter and that contact food
only under conditions of use D
through G described in table 2, Sec.
176.170(c) of this chapter.
2-Hydroxy-4-n-octoxy- For use only at levels not to exceed
benzophenone. 0.5 percent by weight of olefin
polymers complying with Sec.
177.1520(c) of this chapter, items
1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
3.2, 3.3, or 4: Provided, That the
finished polymer contacts food only
of the types identified in Sec.
176.170(c) of this chapter, table 1,
under Categories I, IV-B, VII-B, and
VIII , and under the conditions of
use B through H described in table 2
of Sec. 176.170(c) of this chapter.
4,4'-Isopropylidenediphenol For use only at levels not exceeding
alkyl(C12-C15) phosphites; the 1.0 percent by weight in rigid
phosphorus content is in the polyvinyl chloride and/or rigid vinyl
range of 5.2-5.6 weight percent. chloride copolymers complying with
Sec. Sec. 177.1950, 177.1970 or
177.1980 of this chapter, and used in
contact with food, except milk, only
under the conditions described in
Sec. 176.170(c) of this chapter,
table 2, under conditions of use D
through G.
Magnesium salicylate............ For use only in rigid polyvinyl
chloride and/or in rigid vinyl
chloride copolymers complying with
Sec. 177.1980 of this chapter:
Provided, That total salicylates
(calculated as the acid) do not
exceed 0.3 percent by weight of such
polymers.
2-Methyl-4,6-bis- For use only:
[(octylthio)methyl] phenol (CAS 1. In adhesives complying with Sec.
Reg. No. 110553-27-0). 175.105 of this chapter.
2. At levels not to exceed 0.5 percent
by weight of can-end cements and side-
seam cements complying with Sec.
175.300(b)(xxxi) and (xxxii) of this
chapter.
3. At levels not to exceed 1 percent
by weight of pressure sensitive
adhesives complying with Sec.
175.125 of this chapter petrolium
alicyclic hydrocarbon resins
complying with Sec. 176.170 of this
chapter, resins and polymers
complying with Sec. 176.180 of this
chapter, and closures with sealing
gaskets complying with Sec.
177.1210 of this chapter.
4. At levels not to exceed 1.7 percent
by weight of the finished rubber
products complying with Sec.
177.2600 of this chapter.
5. At levels not to exceed 0.1 percent
by weight of petroleum alicyclic
hydrocarbon resins complying with
Sec. 175.320 of this chapter;
rubber-modified polystyrene complying
with Sec. 177.1640 of this chapter;
and petroleum hydrocarbon resins and
rosins and rosins and rosin
derivatives complying with Sec.
178.3800 of this chapter.
6. At levels not to exceed 0.2 percent
by weight of styrene block polymenrs
complying with Sec. 177.1810 of
this chapter that contact food of
Types I, II, IV-B, VI, VII-B, and
VIII described in table 1, Sec.
176.170(c) of this chapter, only
under conditions of use C through H
described in table 2, Sec.
176.170(c) of this chapter.
[[Page 384]]
2,2'-Methylenebis(4,6-di-tert- For use only at levels not to exceed
butylphenyl)2-ethylhexyl 0.25 percent by weight of
phosphite (CAS Reg. No. 126050- polypropylene complying with Sec.
54-2). 177.1520 of this chapter. The
finished polymers may only be used in
contact with food of the types
identified in Sec. 176.170(c) of
this chapter, table 1, under
Categories I, II, IV-B, VI-B, VII-B,
and VIII under conditions of use B
through H described in table 2, Sec.
176.170(c) of this chapter, and with
food of the types identified in Sec.
176.170(c) of this chapter, table 1,
under Categories III, IV-A, V, VI-A,
VI-C, VII-A, and IX under conditions
of use C through G described in table
2, Sec. 176.170(c) of this chapter.
2,2'-Methylenebis (6-tert-butyl- For use only:
4-ethylphenol). 1. In acrylonitrile-butadiene-styrene
copolymers at levels not to exceed
0.6 percent by weight of the
copolymer.
2. In semirigid and rigid acrylic and
modified acrylic plastics complying
with Sec. 177.1010 of this chapter
at levels not to exceed 0.1 percent
by weight of the plastic.
4,4'-Methylenebis (2,6-di-tert- For use only:
butyl-phenol). 1. As provided in Sec. 175.105 of
this chapter.
2. At levels not to exceed 0.25
percent by weight of petroleum
hydrocarbon resins used in compliance
with regulations in parts 174, 175,
176, 177, 178 and Sec. 179.45 of
this chapter.
3. At levels not to exceed 0.25
percent by weight of terpene resins
used in compliance with regulations
in parts 174, 175, 176, 177, 178 and
Sec. 179.45 of this chapter.
4. At levels not to exceed 0.5 percent
by weight of polyethylene complying
with Sec. 177.1520 of this chapter:
Provided, That the polyethylene end
product contacts foods only of the
types identified in Categories I, II,
IV-B, VI, VII-B, and VIII in table 1,
Sec. 176.170(c) of this chapter.
5. At levels not to exceed 0.5 percent
by weight of polybutadiene used in
rubber articles complying with Sec.
177.2600 of this chapter: Provided,
That the rubber end product contacts
foods only of the types identified in
Categories I, II, IV-B, VI, VII-B,
and VIII in table 1, Sec.
176.170(c) of this chapter.
2,2'-Methylenebis(4-methyl-6- For use only:
tert-butylphenol). 1. At levels not to exceed 0.1 percent
by weight of olefin polymers
complying with sec. 177.1520(c) of
this chapter, items 1.1, 1.2, 1.3,
2.1, 2.2, 2.3, 3.1, 3.2, 3.3, or 4
used in articles that contact food of
the types identified in sec.
176.170(c) of this chapter, table 1,
under Categories I, II, IV-B, VI, VII-
B, and VIII.
2. At levels not to exceed 1 percent
by weight of polyoxymethylene
copolymer as provided in sec.
177.2470(b)(1) of this chapter.
3. At levels not to exceed 0.5 percent
by weight of polyoxymethylene
homopolymer as provided in Sec.
177.2480(b)(1) of this chapter.
2,2'-Methylenebis(4-methyl-6- For use only:
tert-butylphenol) monoacrylate 1. At levels not to exceed 0.5 percent
(CAS Reg. No. 61167-58-6). by weight of polystyrene and rubber-
modified polystyrene complying with
Sec. 177.1640 of this chapter.
2. At levels not to exceed 0.5 percent
by weight of styrene block ploymers
complying with Sec. 177.1810 of
this chapter.
3. At levels not to exceed 1 percent
by weight of adhesives complying with
Sec. 175.105 of this chapter and
pressure sensitive adhesives
complying with Sec. 175.125 of this
chapter.
4. At levels not to exceed 0.5 percent
by weight of acrylonitrile-butadiene-
styrene copolymers that comply with
Sec. 177.1020 of this chapter when
used in articles that contact food
only under conditions of use E, F,
and G as described in table 2, Sec.
176.170 (c) of this chapter.
2,2'-Methylenebis[6-(1- For use only:
methylcyclo-hexyl)-p-cresol]. 1. As provided in Sec. 177.1210 of
this chapter.
2. At levels not to exceed 0.2 percent
by weight of polyethylene complying
with Sec. 177.1520 of this chapter:
Provided, That the finished
polyethylene contacts foods only of
the type identified in Sec.
176.170(c) of this chapter, table 1,
under Categories I, II, VI-B, and
VIII.
3. In polyethylene complying with Sec.
177.1520 of this chapter: Provided,
That the finished polyethylene
contacts foods only of the types
identified in Sec. 176.170(c) of
this chapter, table 1, under
Categories III, IV, V, VI-A, VII, and
IX, and only at temperatures not to
exceed room temperature: And further
provided, That percentage
concentration of the antioxidant in
the polyethylene, when multiplied by
the thickness in inches of the
finished polyethylene, shall not be
greater than 0.0005.
2,2'-Methylenebis(4-methyl-6- For use only in acrylonitrile-
nonylphenol) and 2,6-bis(2- butadiene-styrene copolymers used in
hydroxy-3-nonyl-5-methyl- contact with nonalcoholic foods.
benzyl)-p-cresol mixtures
(varying proportions).
[[Page 385]]
Methyltin-2-mercaptoethyloleate For use only in rigid poly(vinyl
sulfide, which is defined as chloride) and rigid vinyl chloride
one or more of the following: copolymers complying with Sec. Sec.
177.1950 and 177.1980 of this
chapter, respectively, used in the
manufacture of pipes and pipe
fittings intended for contact with
water in food processing plants, at
levels not to exceed:
1. 1.0 percent by weight in pipes, and
2. 2.0 percent by weight in pipe
fittings.
1. 9-Octadecenoic acid (Z)-, 2-
mercaptoethyl ester, reaction
products with dichlorodime
thylstannane, sodium sulfide,
and trichloromethylstannane
(CAS Reg. No. 68442.12-6);
2. Fatty acids, tall oil, 2-
mercaptoethyl esters,
reaction products with
dichlorodimethylstannane, 2-
mercaptoethyl decanoate, 2-
mercaptoethyl octanoate,
sodium sulfide, and
trichloromethylstannane (CAS
Reg. No. 151436-98-5); or
3. Fatty acids, tall oil, 2-
mercaptoethyl esters,
reaction products with
dichlorodimethylstannane,
sodium sulfide, and
trichloromethylstannane (CAS
Reg. No. 201687-57-2);and
which has the following
specifications: Tin content
(as Sn) 5 to 21 percent by
weight; mercaptosulfur
content 5 to 13 percent by
weight; acid value no greater
than 4.
Methyltin-2-
Mercaptoethyloleate sulfide
may also be used with one or
more of the following
optional substances:
1.1a 2-Mercaptoethyl oleate
(CAS Reg. No. 59118-78-4),
1.1b 2-Mercaptoethyl tallate
(CAS Reg. No. 68440-24-4),
1.1c 2-Mercaptoethyl octanoate
(CAS Reg. No. 57813-59-9),
1.1d 2-Mercaptoethyl decanoate
(CAS Reg. No. 68928-33-6),
alone or in combination; not
to exceed 40 percent by
weight of the stabilizer
formulation;
2.1 2-Mercaptoethanol (CAS
Reg. No. 60-24-2): Not to
exceed 2 percent by weight of
the st |
