Vegan

E452 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

PolifosfatoПолифосфатыPolifosforanyПоліфосфати폴리인산염PolyphosphaterPolyphosphatesPolyphosphate E452polyphosphatePolyfosfaatitPolyfosfaattejaPolyfosforečnanyPolyphosphatePolifosfatiPolyfosfatenPolifosfatospolifosfatoPolyfosfater

How to verify it

Check that the name refers to this exact ingredient and not a similar additive with a different source.