1,3-Naphthalenedisulfonic acid, 7-((4-((4-((4-aminobenzoyl)amino)-2-methylphenyl)azo)phenyl)azo)-, disodium salt 7-((4-((4-(((4-Aminophenyl)carbonyl)amino)-2-methylphenyl)azo)phenyl)azo)-1,3-naphthalenedisulfonic acid, disodium salt 79793-03-6 Disodium 7-((4-((4-((4-aminobenzoyl)amino)-o-tolyl)azo)phenyl)azo)naphthalene-1,3-disulphonate EINECS 279-270-9