[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: 21CFR189.300]
[Page 597-598]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 189 SUBSTANCES PROHIBITED FROM USE IN HUMAN FOOD--Table of Contents
Subpart D Substances Prohibited From Indirect Addition to Human Food
Through Food-Contact Surfaces
Sec. 189.300 Hydrogenated 4,4'-isopropyl idene-diphenol phosphite
ester resins.
(a) Hydrogenated 4,4'-isopropylidene-diphenolphosphite ester resins
are the condensation product of 1 mole of triphenyl phosphite and 1.5
moles of hydrogenated 4,4'-isopropylidene-diphenol such that the
finished resins have a molecular weight in the range of 2,400 to 3,000.
They are synthetic chemicals not found in natural products and have been
used as antioxidants and as stabilizers in vinyl chloride polymer resins
when such polymer resins are used in the manufacture of rigid vinyl
chloride polymer bottles.
(b) Food containing any added or detectable levels of these
substances is deemed to be adulterated and in violation of the Federal
Food, Drug, and
[[Page 598]]
Cosmetic Act, based upon an order published in the Federal Register of
September 9, 1987 (52 FR 33929).
[54 FR 7188, Feb. 17, 1989]
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