Vegan

E172 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Tlenki żelaza i wodorotlenki żelazatlenki żelazatlenki i wodorotlenki żelazatlenek żelazaОксид железа желтыйIron oxides and iron hydroxidesJernoxider og jernhydroxiderÓxidos de ferro e hidróxidos de ferroEisenoxide und EisenhydroxideEisenoxidEisenoxideEisenhydroxidEisenhydroxideOssidi di ferro e idrossidi di ferroJärnoxider och järnhydroxiderjärnoxidjärnoxiderÓxidos e hidróxidos de hierroIjzeroxiden en -hydroxidenijzeroxideOxidy a hydroxidy železaOxyde et hydroxyde de ferOxydes de fer et hydroxydes de ferRautaoksidit ja -hydroksiditRautaoksideja ja -hydroksideja

How to verify it

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