Synonyms: Chromate(3-), [4-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonato(3-)][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, trisodium;Chromate, [4-[4,5-dihydro-4-[(2-hydroxy-5-nitriphenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl] benzenesuefonato][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato]-, trisodium;Chromate,[4-[4,5-dihydro-4-[(2-hydroxy-5-nitriphenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl] benzenesuefonato][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato]-,trisodium;Chromate(3-), (4-(4,5-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonato(3-))(3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonato(3-))-, trisodium;Einecs 289-071-9