C.I.17910;Reactive Red 9;C.I.Reactive Red 9;Reactive red 9 (C.I. 17910);C.I.Reactive Red 9:C.I.17910;7-[[4-Chloro-6-[(2-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[4-(acetylamino)-2-sulfophenyl]azo]-2-naphthalenesulfonic acid trisodium salt
4-Acetamido-2-aminobenzenesulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 2,4,6-Trichloro-1,3,5-triazine and 2-Aminobenzenesulfonic acid condensation.