2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((3-((4-chloro-6-(1-methylethoxy)-1,3,5-triazin-2-yl)amino)-4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-, tetrasodium salt 5-((4-Chloro-6-((3-((4-chloro-6-(1-methylethoxy)-1,3,5-triazin-2-yl)amino)-4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-2,7-naphthalenedisulfonic acid, tetrasodium salt 71033-05-1 EINECS 275-142-1 Tetrasodium 5-((4-chloro-6-((3-((4-chloro-6-(1-methylethoxy)-1,3,5-triazin-2-yl)amino)-4-sulphonatophenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulphonatophenyl)azo)naphthalene-2,7-disulphonate