82933-90-2 Chromate(1-), (5-chloro-3-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo)-2-hydroxybenzenesulfonato(4-))-, sodium EINECS 280-068-8 Sodium (5-chloro-3-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl)azo)-2-hydroxybenzenesulphonato(4-))chromate(1-)