[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: 21CFR184.1265]
[Page 514]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 184 DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS
Subpart B Listing of Specific Substances Affirmed as GRAS
Sec. 184.1265 Cuprous iodide.
(a) Cuprous iodide (copper (I) iodide, CuI, CAS Reg. No. 7681-65-4)
is a pure white crystalline powder. It is prepared by the reaction of
copper sulfate with potassium iodide under slightly acidic conditions.
(b) FDA is developing food-grade specifications for cuprous iodide
in cooperation with the National Academy of Sciences. In the interim,
this ingredient must be of a purity suitable for its intended use.
(c) In accordance with Sec. 184.1(b)(2), the ingredient is used in
food only within the following specific limitations:
------------------------------------------------------------------------
Maximum treatment
Category of food level in food Functional use
------------------------------------------------------------------------
Table salt...................... 0.01 percent...... Source of dietary
iodine.
------------------------------------------------------------------------
(d) Prior sanctions for this ingredient different from the uses
established in this section do not exist or have been waived.
[49 FR 24119, June 12, 1984]
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