Is Alizarin Bordeaux B vegan?

Mordant Violet 26 is also known as Alizarin Bordeaux B.

Quinalizarin (1,2,5,8-tetrahydroxyanthraquinone) is a synthetic organic compound and one of many tetrahydroxyanthraquinone isomers, formally derived from anthraquinone by replacement of four hydrogen atoms by hydroxyl groups. It is used as a dye and analytical reagent. It is also known as Alizarin Bordeaux B or Mordant Violet 26.

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