Synonyms: EINECS 280-066-7;AC1L4SWI;82933-88-8;Chromate(1-), (2-((4,5-dihydro-3-methyl-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazol-4-yl)azo)-4-sulfobenzoato(4-))-, sodium;Chromate(1-), (2-(2-(4,5-dihydro-3-methyl-1-(2-methyl-4-sulfophenyl)-5-(oxo-kappaO)-1H-pyrazol-4-yl)diazenyl-kappaN1)-4-sulfobenzoato(4-)-kappaO)-, sodium (1:1);Sodium (2-((4,5-dihydro-3-methyl-1-(2-methyl-4-sulphophenyl)-5-oxo-1H-pyrazol-4-yl)azo)-4-sulphobenzoato(4-))chromate(1-);sodium; chromium(3+); 2-[[3-methyl-1-(3-methyl-5-sulfonatophenyl)-5-oxidopyrazol-4-yl]diazenyl]-4-sulfonatobenzoate