E261 — Potassium acetate
E261 (Potassium acetate) appears in the ingredient lists of 266 products sold in the United States. Function: preservative.
Nutri-Score
235 rated products
Median values
| Calories | 214 kcal |
| Sugars | 2.7 g |
| Saturated fat | 3.3 g |
| Salt | 2.0 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.515.
Technical effects listed by the FDA: flavoring agent or adjuvant
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 127-08-2 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
Products
266 products, most viewed first · page 1 of 6.
Source: Open Food Facts export of November 1, 2026, ODbL, and USDA FoodData Central, October 2026 release, CC0 · Shelfpedia calculations (medians, distributions).