Is Carmoisine 6R vegan?

Acid Red 29 is also known as Carmoisine 6R.

Chromotrope 2R is a synthetic azo dye used as a histological stain and acid-base indicator, classified as Acid Red 29 in the Colour Index. It is also known as Carmoisine 6R and is used in microscopy for staining connective tissue.

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