Additive · Stabiliser

E501ii — Potassium hydrogen carbonate

E501ii (Potassium hydrogen carbonate) appears in the ingredient lists of 5 products sold in New Zealand. Function: stabiliser.

5products with a complete record
0%rated A or B on Nutri-Score
24.0 gsugars per 100 g (median)
0.88 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 0%B 0%C 50%D 50%E 0%

4 rated products

Median values

Per 100 g, across all 5 products
Energy388 kcal
Sugars24.0 g
Saturates0.50 g
Salt0.88 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 containing it, by country

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

Products

5 products, most viewed first.

Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).