Direct Green 21:1 化学特性,用途語,生産方法
製造方法
4-(4-Aminophenyl)benzenamine?double nitriding, First coupled with 2-Hydroxybenzoic acid?, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications
dark green.
Direct Green 21:1 上流と下流の製品情報
原材料
準備製品