73398-43-3 EINECS 277-441-2 Pentasodium 4-amino-6-((3-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-4-sulphonatophenyl)azo)-3-((2,5-disulphonatophenyl)azo)-5-hydroxynaphthalene-2,7-disulphonate