Synonyms: Chromate(1-), bis(4-(2-(4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)diazenyl-kappaN1)-3-(hydroxy-kappaO)-N,N-dimethylbenzenesulfonamidato(2-))-, sodium (1:1);Pyrazole, 4-((4-((dimethylamino)sulfonyl)-2-hydroxyphenyl)azo)-5-hydroxy-3-methyl-1-phenyl-, chromium complex, sodium salt;Chromate(1-), bis(4-((4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)azo-kappaN1)-3-(hydroxy-kappaO)-N,N-dimethylbenzenesulfonamidato(2-))-, sodium;Chromate(1-), bis(4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-3-hydroxy-N,N-dimethylbenzenesulfonamidato(2-))-, sodium;Sodium bis(4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-3-hydroxy-N,N-dimethylbenzene-1-sulphonamidato(2-))chromate(1-)