3-Hydroxy-4-((3-methyl-1-(3-sulfophenyl)-5-hydroxy-4-pyrazolyl)azo)-1-naphthalenesulfonic acid, sodium salt, chromium complex 51022-91-4 52677-44-8 6717-33-5 70833-35-1 C.I. ACID RED 186 Chromate(1-), (4-((4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo-kappaN1)-3-(hydroxy-kappaO)-1-naphthalenesulfonato(4-))-, sodium Chromate(1-), (4-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo)-3-hydroxy-1-naphthalenesulfonato(4-))-, sodium EINECS 258-095-1 Sodium (4-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl)azo)-3-hydroxynaphthalene-1-sulphonato(4-))chromate(1-)