2-Naphthalenesulfonic acid, 4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)-6-(methyl((2-(sulfooxy)ethyl)sulfonyl)amino)-, potassium sodium salt 4-Hydroxy-3-((4-methoxy-2-sulphophenyl)azo)-6-(methyl((2-(sulphooxy)ethyl)sulphonyl)amino)naphthalene-2-sulphonic acid, potassium sodium salt 85567-17-5 EINECS 287-730-5