67939-06-4 Chromate(2-), (3-(hydroxy-kappaO)-4-((2-(hydroxy-kappaO)-1-naphthalenyl)azo-kappaN1)-1-naphthalenesulfonato(3-))(1-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)-, sodium hydrogen Chromate(2-), (3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonato(3-))(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenolato(2-))-, sodium hydrogen EINECS 267-824-2 Hydrogen sodium (3-hydroxy-4-((2-hydroxy-1-naphthyl)azo)naphthalene-1-sulphonato(3-))(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphtholato(2-))chromate(2-)