55039-14-0 72496-89-0 Chromate(2-), (N-(7-(hydroxy-kappaO)-8-((2-(hydroxy-kappaO)-5-(methylsulfonyl)phenyl)azo-kappaN1)-1-naphthalenyl)acetamidato(2-))(2-(hydroxy-kappaO)-3-((2-(hydroxy-kappaO)-1-naphthalenyl)azo-kappaN1)-5-nitrobenzenesulfonato(3-))-, disodium Disodium (N-(7-hydroxy-8-((2-hydroxy-5-mesylphenyl)azo)-1-naphthyl)acetamidato(2-))(2-hydroxy-3-((2-hydroxy-1-naphthyl)azo)-5-nitrobenzenesulphonato(3-))chromate(2-) EINECS 259-452-4