Acid Black 20
- Molecular Weight: 0
What is Acid Black 20?
Preparation
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.
Safety information for Acid Black 20
New Products
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