Preparation
N-(4-aminophenyl)acetamide diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid, hydrolysis amido group, and a double nitride, first with 8-Aminonaphthalene-2-sulfonic acid coupling, again with N-(2-methyl-5-aminophenyl)glycine?coupling.
Properties and Applications
black. Soluble in water for blue-ray black. The strong sulfuric acid in dark green. The dye solution to join hydrochloric acid have blue-black precipitation; Add sodium hydroxide colored light red.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
2
|
2-3
|
2-3
|
|
1-2
|
|