73398-48-8 EINECS 277-447-5 Hexasodium 2,2'-((6-morpholino-1,3,5-triazine-2,4-diyl)bis(imino(2-sulphonato-4,1-phenylene)vinylene(3-sulphonato-4,1-phenylene)))bis(2H-naphtho(1,2-d)triazole-5-sulphonate)