Additive · Stabilizer

E501ii — Potassium hydrogen carbonate · page 4

E501ii (Potassium hydrogen carbonate) appears in the ingredient lists of 397 products sold in the United States. Function: stabilizer.

397products with a complete record
46%rated A or B on Nutri-Score
9.1 gsugars per 100 g (median)
0.44 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 12%B 34%C 10%D 23%E 21%

311 rated products

Median values

Per 100 g, across all 397 products
Calories222 kcal
Sugars9.1 g
Saturated fat1.4 g
Salt0.44 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1613.

Technical effects listed by the FDA: formulation aid, leavening agent, nutrient supplement, 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 298-14-6 via Wikidata (CC0)

Products

397 products, most viewed first · page 4 of 9.

Source: Open Food Facts export of November 1, 2026, ODbL, and USDA FoodData Central, October 2026 release, CC0 · Shelfpedia calculations (medians, distributions).