Additive · Stabiliser

E501ii — Potassium hydrogen carbonate

E501ii (Potassium hydrogen carbonate) appears in the ingredient lists of 12 products sold in Ireland. Function: stabiliser.

12products with a complete record
14%rated A or B on Nutri-Score
15.5 gsugars per 100 g (median)
0.37 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 0%B 14%C 14%D 29%E 43%

7 rated products

Median values

Per 100 g, across all 12 products
Energy394 kcal
Sugars15.5 g
Saturates2.8 g
Salt0.37 g

Categories

Most represented

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 containing it, by country

Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)