Is CI Direct Blue 6 vegan?

Tetrasodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonate] is also known as CI Direct Blue 6.

A synthetic azo dye known as CI Direct Blue 6, used industrially for dyeing textiles such as cotton.

View full details page for Tetrasodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonate]

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