Vegan

E281 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

NatriumpropionaattiNatriumpropanaattiNatriumpropionaattiaNatriumpropanaattiaPropionate de sodiumPropionan sodný synonymaPropionát sodnýPropionato di sodioNatriumpropionatPropionato sódicoPropionato de sodioPropanoato de sodioPropanoato sodicoConservante E281Conservante E-281NatriumpropionaatPropionato de sódioPropionian soduПропионат натрияSodium propionate

How to verify it

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