CheckVegan

Is Calcium Polyphosphate vegetarian?

Calcium Polyphosphate

Vegetarian Vegetarian
Vegan Vegan

Calcium polyphosphate is a synthetic calcium salt of polyphosphoric acid, used as an anti-caking agent and emulsifying salt in food. It is approved in the US (INS 544) but not currently listed as an EU-approved additive under that number.

Also known as Calcium Polyphosphates
E number E544
INS number 544
CAS number 68333-75-5
Last reviewed 10 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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