Direct Black 199 化學特性,用途語,生産方法
製造方法
5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid group of adjacent a coupling, and then and Resorcinol coupling.
Properties and Applications
black.
Direct Black 199 上流と下流の製品情報
原材料
準備製品