Acid Black 20 化学特性,用途語,生産方法
製造方法
N-(4-aminophenyl)acetamide diazo, and Naphthalen-1-amine coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then acetyl hydrolysis.
Properties and Applications
black purple light. Soluble in water for purple. The strong sulfuric acid for green, diluted into wine red. In water solution to join hydrochloric acid have precipitation; Add sodium hydroxide had not changed.
Acid Black 20 上流と下流の製品情報
原材料
準備製品