E450i — Disodium diphosphate

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 182.1087.

Technical effects listed by the FDA: color or coloring adjunct, dough strengthener, emulsifier or emulsifier salt, flavoring agent or adjuvant, flour treating agent, formulation aid, leavening agent, oxidizing or reducing 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 7758-16-9 via Wikidata (CC0)