2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-((2-methylphenyl)azo)-, disodium salt 3-((o-Methoxyphenyl)azo)-3'-(o-tolylazo)-7,7'-ureylenebis(4-hydroxy-2-naphthalenesulfonic acid), disodium salt 69205-10-3 Disodium 4-hydroxy-7-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-((o-tolyl)azo)naphthalene-2-sulphonate EINECS 273-912-1