E500i — Sodium carbonate · page 3

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 172.824, 173.310, 184.1742.

Technical effects listed by the FDA: antioxidant, curing or pickling agent, flavoring agent or adjuvant, ph control agent, processing aid

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 497-19-8 via Wikidata (CC0)