Additive · Emulsifier

E451ii — Pentapotassium triphosphate · page 2

E451ii (Pentapotassium triphosphate) appears in the ingredient lists of 71 products sold in the United Kingdom. Function: emulsifier, humectant, sequestrant, stabiliser, thickener.

71products with a complete record
41%rated A or B on Nutri-Score
1.1 gsugars per 100 g (median)
1.0 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 27%B 14%C 52%D 5%E 2%

56 rated products

Median values

Per 100 g, across all 71 products
Energy125 kcal
Sugars1.1 g
Saturates0.90 g
Salt1.0 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 173.310.

Technical effects listed by the FDA: nutrient supplement, 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 13845-36-8 via Wikidata (CC0)