12237-98-8 16893-49-5 2,7-Naphthalenedisulfonic acid, 5-((4-amino-6-chloro-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)- 5-((4-Amino-6-chloro-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulphophenyl)azo)naphthalene-2,7-disulphonic acid Cibacron Brill Red B-A EINECS 240-933-2