1,5-Naphthalenedisulfonic acid, 3-((4-((4-((4-amino-6-chloro-1,3,5-triazin-2-yl)amino)-5-sulfo-1-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-, tetrasodium salt 71412-36-7 EINECS 275-433-3 Tetrasodium 3-((4-((4-((4-amino-6-chloro-1,3,5-triazin-2-yl)amino)-5-sulphonato-1-naphthyl)azo)-6-sulphonato-1-naphthyl)azo)naphthalene-1,5-disulphonate