6300-61-4 Benzenesulfonic acid, 4-((2,4-diamino-5-methylphenyl)azo)-, monosodium salt Benzenesulfonic acid, p-((4,6-diamino-m-tolyl)azo)-, monosodium salt (8CI) EINECS 228-590-7 NSC 45175 Sodium 4-(2,4-diamino-5-methylphenyl)azobenzenesulfonate Sodium p-((4,6-diamino-m-tolyl)azo)benzenesulphonate