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CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 184—DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE > SUBPART B—Listing of Specific Substances Affirmed as GRAS (§184.1005 to §184.1985) > 184.1265—Cuprous iodide.

CFR

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) The ingredient must be of a purity suitable for its intended use.
(c) In accordance with § 184.1(b)(2), the ingredient is used in food only within the following specific limitations:
Category of food Maximum treatment 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.

Code of Federal Regulations

[49 FR 24119, June 12, 1984, as amended at 73 FR 8607, Feb. 14, 2008]
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