E338 — Phosphoric acid · page 3

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 73.275, 182.1073.

Technical effects listed by the FDA: antimicrobial agent, flavor enhancer, flavoring agent or adjuvant, fumigant, malting or fermenting aid, non-nutritive sweetener, ph control agent, sequestrant

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 7664-38-2 via Wikidata (CC0)