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E450IDisodium diphosphate

Why it’s used

A specific diphosphate salt (also known as sodium acid pyrophosphate) used mainly as a raising agent in baking powder and self-rising flour, and as a color- and moisture-stabilizing agent in processed meat, poultry, and seafood.

Other names

Sodium acid pyrophosphate (SAPP), Disodium dihydrogen pyrophosphate, Disodium pyrophosphate

Diet flags

Vegan, passesVegetarian, passes

Regulatory status

USAAllowed

GRAS under 21 CFR 182.1087 as sodium acid pyrophosphate, usable in food with no limitation other than current good manufacturing practice, for functions including leavening agent, dough strengthener, emulsifier/emulsifier salt, and sequestrant. Source (2026-07-23)

EUAllowed

Authorized under Annex II to Regulation (EC) No 1333/2008 as part of the diphosphates (E450) group, subject to the same group ADI of 40 mg/kg bw/day (as phosphorus) set in EFSA's 2019 phosphates re-evaluation. Source (2026-07-23)

Found in these products

3 products in our database contain E450I.

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