E339i — Monosodium phosphate
E339i (Monosodium phosphate) appears in the ingredient lists of 111 products sold in the United States. Function: emulsifier, humectant, preservative, sequestrant, stabilizer, thickener.
Nutri-Score
71 rated products
Median values
| Calories | 323 kcal |
| Sugars | 10.0 g |
| Saturated fat | 3.3 g |
| Salt | 0.93 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 172.892, 173.310, 182.1778, 182.6085, 182.6778, 182.8778.
Technical effects listed by the FDA: anticaking agent or free-flow agent, antimicrobial agent, drying agent, emulsifier or emulsifier salt, flavor enhancer, flavoring agent or adjuvant, humectant, leavening agent, ph control agent
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 7558-80-7 via Wikidata (CC0)
Products
111 products, most viewed first · page 1 of 3.
Source: Open Food Facts export of 23 October 2026, ODbL, and USDA FoodData Central, April 2026 release, CC0 · Shelfpedia calculations (medians, distributions).