Is Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate vegan?

Ponceau 6R is also known as Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate.

Ponceau 6R is a synthetic azo dye that was formerly used as a red food colorant. It is no longer approved for use in food within the EU.

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