10330-04-8 3-((4-((7-Amino-1-hydroxy-3-sulfo-2-naphthyl)azo)-1-naphthyl)azo)salicylic acid, disodium salt Benzoic acid, 3-((4-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-1-naphthalenyl)azo)-2-hydroxy-, disodium salt Disodium 3-((4-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-1-naphthyl)azo)salicylate EINECS 233-719-5