Direct Blue 278

Direct Blue 278 化学特性,用途語,生産方法

• 製造方法

  5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, and 5-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled, then double nitriding, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

• Properties and Applications

  mainly used for paper shading.

Direct Blue 278 上流と下流の製品情報