1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-5-((4-((5-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, disodium salt 10142-78-6 8-((4-Methylphenyl)amino)-5-((4-((5-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-1-naphthalene sulfonic acid, disodium salt Disodium 5-((4-((5-sulphonato-1-naphthyl)azo)-1-naphthyl)azo)-8-(p-tolylamino)naphthalene-1-sulphonate EINECS 233-404-2