Direct Blue 163 Chemical Properties,Usage,Production
Preparation
5-Amino-2-hydroxybenzoic acid diazo, and 2-Amino-4-methylanisole coupling, again diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, 2-Amino-4-methylanisole diazo, and formation of accidentally coupled nitrogen compounds.