21 CFR § 500.50 - Propylene glycol in or on cat food.

---
identifier: "/us/cfr/t21/s500.50"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 500.50 - Propylene glycol in or on cat food."
title_number: 21
title_name: "Food and Drugs"
section_number: "500.50"
section_name: "Propylene glycol in or on cat food."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "500"
part_name: "GENERAL"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 331, 342, 343, 348, 351, 352, 353, 360b, 371, 379e."
regulatory_source: "40 FR 13802, Mar. 27, 1975, unless otherwise noted."
cfr_part: "500"
---


# 500.50 Propylene glycol in or on cat food.

The Food and Drug Administration has determined that propylene glycol in or on cat food is not generally recognized as safe and is a food additive subject to section 409 of the Federal Food, Drug, and Cosmetic Act (the act). The Food and Drug Administration also has determined that this use of propylene glycol is not prior sanctioned.

[61 FR 19544, May 2, 1996]