2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-((4-((((4-methylcyclohexyl)oxy)carbonyl)amino)-2-sulfophenyl)azo)-, disodium salt 71412-37-8 Disodium 6-amino-4-hydroxy-5-((4-((((4-methylcyclohexyl)oxy)carbonyl)amino)-2-sulphonatophenyl)azo)naphthalene-2-sulphonate EINECS 275-434-9