E503ii — Ammonium hydrogen carbonate · page 63
E503ii (Ammonium hydrogen carbonate) appears in the ingredient lists of 3,354 products sold in the United States.
Nutri-Score
2,981 rated products
Median values
| Calories | 467 kcal |
| Sugars | 25.7 g |
| Saturated fat | 7.2 g |
| Salt | 0.82 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1135.
Technical effects listed by the FDA: dough strengthener, leavening agent, ph control agent, texturizer
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 1066-33-7 via Wikidata (CC0)
Products
3,354 products, most viewed first · page 63 of 70.
Source: Open Food Facts export of November 1, 2026, ODbL, and USDA FoodData Central, October 2026 release, CC0 · Shelfpedia calculations (medians, distributions).