72139-07-2 Chromate(7-), bis(3-((2-amino-5-hydroxy-7-((2-hydroxy-5-nitro-3-sulfophenyl)azo)-1-naphthalenyl)azo)-2-hydroxy-5-sulfobenzoato(5-))-, hexasodium hydrogen EINECS 276-363-6 Hexasodium hydrogen bis(3-((2-amino-5-hydroxy-7-((2-hydroxy-5-nitro-3-sulphophenyl)azo)-1-naphthyl)azo)-5-sulphosalicylato(5-))chromate(7-)