Is Alcian Yellow GXS vegan?

Alcian Yellow GXS

Vegan

Alcian Yellow GXS (CI 12840) is a synthetic cationic dye used in histological staining applications, particularly for staining sulphated mucopolysaccharides. It is also known as Sudan Orange or Ingrain Yellow 1.

Also known as Ingrain Yellow 1, Sudan orange
CAS number 61968-79-1
CI number CI 12840
Last reviewed 3 June 2026

Sources

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