85136-32-9 EINECS 285-756-1 Trisodium 4-amino-3-((4-((4-((2,4-dihydroxyphenyl)azo)-6(or 7)-sulphonato-1-naphthyl)azo)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate