Formic acid.

21 C.F.R. § 186.1316
in effectEffective: 2024-07-01
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(a) Formic acid (CH2O2, CAS Reg. No. 64-18-6) is also referred to as methanoic acid or hydrogen carboxylic acid. It occurs naturally in some insects and is contained in the free acid state in a number of plants. Formic acid is prepared by the reaction of sodium formate with sulfuric acid and is isolated by distillation. (b) Formic acid is used as a constituent of paper and paperboard used for food packaging. (c) The ingredient is used at levels not to exceed good manufacturing practice in accordance with § 186.1(b)(1). (d) Prior sanctions for formic acid different from the uses established in this section do not exist or have been waived.

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