Additive · Emulsifier

E451i — Pentasodium triphosphate · page 6

E451i (Pentasodium triphosphate) appears in the ingredient lists of 249 products sold in the United Kingdom. Function: emulsifier, humectant, sequestrant, stabiliser, thickener.

249products with a complete record

38%rated A or B on Nutri-Score

1.5 gsugars per 100 g (median)

0.90 gsalt per 100 g (median)

Nutri-Score

How rated products spread

ABCD

A 23%B 15%C 36%D 21%E 5%

191 rated products

Median values

Per 100 g, across all 249 products

Energy	161 kcal
Sugars	1.5 g
Saturates	1.6 g
Salt	0.90 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 74.302, 172.892, 173.310, 182.90, 182.1810, 182.6810.

Technical effects listed by the FDA: anticaking agent or free-flow agent, antioxidant, drying agent, emulsifier or emulsifier salt, humectant, ph control agent, sequestrant, stabilizer or thickener, 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 7758-29-4 via Wikidata (CC0)