# 21 C.F.R. § 173.342 (2026): Chlorofluorocarbon 113 and perfluorohexane

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_342

## Section

- **Citation:** 21 C.F.R. § 173.342 (2026)
- **Heading:** Chlorofluorocarbon 113 and perfluorohexane
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 21 CFR: Food and Drugs / Chapter I: FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES / Part 173: SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION / Subpart D: Specific Usage Additives / § 173.342: § 173.342   Chlorofluorocarbon 113 and perfluorohexane.

## Text

A mixture of 99 percent chlorofluorocarbon 113 (1,1,2-trichloro-1,2,2-trifluoroethane) (CAS Reg. No. 76-13-1, also known as fluorocarbon 113, CFC 113 and FC 113) and 1 percent perfluorohexane (CAS Reg. No. 355-42-0) may be safely used in accordance with the following prescribed conditions:
(a) The additive chlorofluorocarbon 113 has a purity of not less than 99.99 percent.
(b) The additive mixture is intended for use to quickly cool or crust-freeze chickens sealed in intact bags composed of substances regulated in parts 174, 175, 177, 178, and § 179.45 of this chapter and conforming to any limitations or specifications in such regulations.
[55 FR 8913, Mar. 9, 1990]

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_342. Check the current official text before relying on it. Not legal advice.