Synonyms: Chromate(1-), bis(4-(2-(4-chloro-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, sodium (1:1);Chromate(1-), bis(4-((4-chloro-2-hydroxyphenyl)azo)-3-methyl-1-phenyl-2-pyrazolin-5-onato(2-))-, sodium salt;Chromate(1-), bis(4-((4-chloro-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, sodium;Sodium bis(4-((4-chloro-2-hydroxyphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))chromate(1-);chromium(3+) sodium 4-[(E)-(4-chloro-2-oxidophenyl)diazenyl]-3-methyl-1-phenyl-1H-pyrazol-5-olate (1:1:2)