Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 3 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER B - FOOD FOR HUMAN CONSUMPTION (CONTINUED)
/ PART 184 - DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE
/ Subpart B - Listing of Specific Substances Affirmed as GRAS / § 184.1265 Cuprous iodide.
§ 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.