Is E521 vegan? Sources and aliases

Vegan

E521 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Síran sodno-hlinitýAlumiininatriumsulfaattiAlumiininatriumsulfaattiaSulfate d'aluminium sodiqueAlun de soudeSolfato di alluminio e sodioAluminiumnatriumsulfatSodaalaunAlNa(SO4)2E 521NaAl(SO4)2NatronalaunSodaalunAluminiumnatriumsulfaatSulfato de aluminio y sodioAlumbre de sodioSulfato de alumínio e sódioAlúmen de sodaSiarczan glinowo-sodowyAłun sodowyAluminium sodium sulphateSoda alumSodium aluminium sulfate

How to verify it

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