Additive · Emulsifier

E450iii — Tetrasodium diphosphate · page 3

E450iii (Tetrasodium diphosphate) appears in the ingredient lists of 105 products sold in the United Kingdom. Function: emulsifier, humectant, sequestrant, stabiliser, thickener.

105products with a complete record

6%rated A or B on Nutri-Score

3.1 gsugars per 100 g (median)

1.0 gsalt per 100 g (median)

Nutri-Score

How rated products spread

CDE

A 1%B 5%C 26%D 44%E 25%

85 rated products

Median values

Per 100 g, across all 105 products

Energy	275 kcal
Sugars	3.1 g
Saturates	4.0 g
Salt	1.0 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 173.310, 182.70, 182.6787, 182.6789.

Technical effects listed by the FDA: anticaking agent or free-flow agent, drying agent, emulsifier or emulsifier salt, formulation aid, humectant, ph control agent, sequestrant, stabilizer or thickener

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 7722-88-5 via Wikidata (CC0)