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E450Diphosphates

Why it’s used

An umbrella category of diphosphate (pyrophosphate) salts used as emulsifiers, raising agents, and moisture/sequestering agents. Common in baking powder, processed and cured meats, canned foods, and convenience foods to control texture, leavening, and water retention.

Other names

Pyrophosphates, Diphosphate salts

Diet flags

Vegan, passesVegetarian, passes

Regulatory status

USAAllowed

Individual diphosphate salts within this group are GRAS under 21 CFR Part 182 and Part 184 depending on the specific salt (e.g., sodium acid pyrophosphate under 21 CFR 182.1087), permitted with no quantity limit beyond current good manufacturing practice for functions such as leavening, emulsifying, and sequestering. Source (2026-07-23)

EUAllowed

Authorized food additive under Annex II to Regulation (EC) No 1333/2008. EFSA's 2019 re-evaluation of phosphate additives (E338–341, E343, E450–452) set a shared group ADI of 40 mg/kg bw/day expressed as phosphorus and found current uses broadly within safe exposure margins, while flagging that some population groups may approach the ADI. Source (2026-07-23)

Found in these products

4 products in our database contain E450.

Jaffa Cakes

Tower Gate

Vegan, failsGluten-Free, failsKeto, fails
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