E280 — Propionic acid · page 5

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 184.1081.

Technical effects listed by the FDA: antimicrobial agent, flavoring agent or adjuvant, ph control agent

The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.

U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 79-09-4 via Wikidata (CC0)