Is Trinatrium-1-(1-naphthylazo)-2-hydroxynaphthalin-4',6,8-trisulfonat vegan?

Acid Red 18 is also known as Trinatrium-1-(1-naphthylazo)-2-hydroxynaphthalin-4',6,8-trisulfonat.

Ponceau 4R (also known as Cochineal Red A) is a synthetic azo dye used as a red food colouring. Despite the name 'Cochineal Red', it is not derived from cochineal insects but is produced entirely by chemical synthesis.

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