2-Hydroxy-5-((2-methoxy-5-methyl-4-((4-nitro-2-sulfophenyl)azo)phenyl)azo)benzoic acid, disodium salt 5-((2-Methoxy-5-methyl-4-(2-sulfo-4-nitrophenyl)azo)phenylazo)-2-hydroxybenzoic acid, disocium salt 68833-61-4 Benzoic acid, 2-hydroxy-5-((2-methoxy-5-methyl-4-((4-nitro-2-sulfophenyl)azo)phenyl)azo)-, disodium salt Disodium 5-((2-methoxy-5-methyl-4-((4-nitro-2-sulphonatophenyl)azo)phenyl)azo)salicylate EINECS 272-405-2