eCFR Reference Browser

---

title: "21 CFR §500.50"

source: "https://www.ecfr.gov/current/title-21/section-500.50"

title_number: "21"

volume_number: "6"

chapter_number: "Unknown"

subchapter_code: "E"

subchapter_subject: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"

part_code: "500"

part_subject: "GENERAL"

subpart_code: "B"

subpart_subject: "Specific Administrative Rulings and Decisions"

section_number: "500.50"

section_subject: "Propylene glycol in or on cat food."

cfr_reference: "21 CFR 500.50"

title_name: "Title 21"

title_subject: "Food and Drugs"

parts_covered: "Parts 500 to 599"

revised_date: "Revised as of April 1, 2019"

publication_date: "As of April 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

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.

§500.50 - Propylene glycol in or on cat food.