Direct Green 21:1

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

, Direct Green 21:1 キーワード