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Dicalcium Diphosphate

Also known as: E540, E450vi, dicalcium pyrophosphate, e450vi

Low concern

Phosphate additives are permitted within established intake limits. EFSA reassessed phosphates in 2019 and set a group acceptable daily intake (ADI) of 40 mg/kg bw/day expressed as phosphorus, noting potential exceedance in some population groups.

Found in

1 products

E-number

E540

What it is

Dicalcium diphosphate (calcium pyrophosphate, E540) is a calcium phosphate salt used as a food additive.

Used as a leavening agent, emulsifier, stabilizer, and mineral source in foods.

Why it's flagged

high cumulative phosphate intake from processed foods

What regulators actually say

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Regulatory status

United States — FDA

Permitted phosphate additive

European Union — EFSA

Permitted (E540); group ADI 40 mg/kg bw/day as phosphorus (2019 reassessment)

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