Synonyms: Chromate(3-), (3-(2-(2-amino-5-(hydroxy-kappaO)-6-(2-(2-(hydroxy-kappaO)-5-nitro-3-sulfophenyl)diazenyl-kappaN1)-7-sulfo-1-naphthalenyl)diazenyl)-2-hydroxy-5-sulfobenzoato(6-))-, sodium hydrogen (1:2:1);3-((2-Hydroxy-3-sulfo-5-nitrophenyl)azo)-8-((2-hydroxy-3-carboxy-5-sulfophenyl)azo)-7-amino-4-hydroxy-2-naphthalenesulfonic acid, chromate, disodium;Chromate(3-), (3-((2-amino-5-hydroxy-6-((2-hydroxy-5-nitro-3-sulfophenyl)azo)-7-sulfo-1-naphthalenyl)azo)-2-hydroxy-5-sulfobenzoato(6-))-, disodium hydrogen;Disodium hydrogen (3-((2-amino-5-hydroxy-6-((2-hydroxy-5-nitro-3-sulphophenyl)azo)-7-sulpho-1-naphthyl)azo)-5-sulphosalicylato(6-))chromate(3-);chromium(3+) sodium hydrogen 3-[(E)-{(6Z)-2-amino-6-[2-(5-nitro-2-oxido-3-sulfonatophenyl)hydrazinylidene]-5-oxo-7-sulfonato-5,6-dihydronaphthalen-1-yl}diazenyl]-2-oxido-5-sulfonatobenzoate (1:2:1:1)