Cuprous iodide.

21 C.F.R. § 184.1265
in effectEffective: 2024-07-01
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(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: (d) Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.

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