E508 — Potassium chloride

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 184.1622.

Technical effects listed by the FDA: enzyme, flavor enhancer, flavoring agent or adjuvant, malting or fermenting aid, nutrient supplement, ph control agent, processing aid, stabilizer or thickener

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 7447-40-7 via Wikidata (CC0)