1-Naphthalenesulfonic acid, 4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulfophenyl)azo]phenyl]azo]-, disodium salt 1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-[(4-sulfo-o-tolyl)azo]-o-tolyl]azo]-, disodium salt 5432-31-5 C.I. 26670 Lithol Bordeaux BN Lithol Orange BN NSC9860 Orseillin BB Orseilline BB