# 21 C.F.R. § 173.345 (2026): Chloropentafluoroethane

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_345

## Section

- **Citation:** 21 C.F.R. § 173.345 (2026)
- **Heading:** Chloropentafluoroethane
- **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 / Part 173 / Subpart D / § 173.345: § 173.345   Chloropentafluoroethane.

## Text

The food additive chloropentafluoroethane may be safely used in food in accordance with the following prescribed conditions: (a) The food additive has a purity of not less than 99.97 percent, and contains not more than 200 parts per million saturated fluoro compounds and 10 parts per million unsaturated fluoro compounds as impurities. (b) The additive is used or intended for use alone or with one or more of the following substances: Carbon dioxide, nitrous oxide, propane, and octafluorocyclobutane complying with § 173.360, as an aerating agent for foamed or sprayed food products, with any propellant effect being incidental and no more than is minimally necessary to achieve the aerating function, except that use is not permitted for those standardized foods that do not provide for such use. (c) To assure safe use of the additive (1) The label of the food additive container shall bear, in addition to the other information required by the act, the following: (i) The name of the additive, chloropentafluoroethane. (ii) The percentage of the additive present in the case of a mixture. (iii) The designation “food grade”. (2) The label or labeling of the food additive container shall bear adequate directions for use. [42 FR 14526, Mar. 15, 1977, as amended at 43 FR 11317, Mar. 17, 1978; 43 FR 14644, Apr. 7, 1978]

## Nearby sections

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- [21 C.F.R. § 173.345 (2026) § 173.345   Chloropentafluoroethane.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_345.md)
- [21 C.F.R. § 173.350 (2026) § 173.350   Combustion product gas.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_350.md)
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- [21 C.F.R. § 173.356 (2026) § 173.356   Hydrogen peroxide.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_356.md)
- [21 C.F.R. § 173.357 (2026) § 173.357   Materials used as fixing agents in the immobilization of enzyme preparations.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_357.md)
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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T21_P173_S173_345. Check the current official text before relying on it. Not legal advice.