Reactive Red 189 Chemical Properties,Usage,Production
Preparation
2-Amino-5-methylbenzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again with Aminomethanesulfonic acid?condensation.