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
