E1520 — Propylene glycol · page 22

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.30, 184.1666.

Technical effects listed by the FDA: anticaking agent or free-flow agent, antimicrobial agent, antioxidant, drying agent, emulsifier or emulsifier salt, flavor enhancer, flavoring agent or adjuvant, formulation aid, humectant, solvent or vehicle

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 57-55-6 via Wikidata (CC0)