2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-(ethylphenylamino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((1-sulfo-2-naphthalenyl)azo)-, trisodium salt 84045-65-8 EINECS 281-866-9 Trisodium 5-((4-chloro-6-(ethylphenylamino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((1-sulphonato-2-naphthyl)azo)naphthalene-2,7-disulphonate