69723-90-6 EINECS 274-097-5 Pentasodium 2-((4-chloro-6-((8-hydroxy-3,6-disulphonato-7-((1-sulphonato-2-naphthyl)azo)-1-naphthyl)amino)-1,3,5-triazin-2-yl)amino)-5-sulphonatobenzoate