E319 — Tertiary-butylhydroquinone (tbhq) · page 131

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.185.

Technical effects listed by the FDA: antioxidant

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 1948-33-0 via Wikidata (CC0)