Preparation
2-Amino-4-((2-(sulfooxy)ethyl)sulfonyl)phenol diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and sulfuric acid chromium and sodium acetate complexation, then salting-out.
Properties and Applications
navy blue. Used for cotton, wool, silk, hemp and viscose fiber dyeing and can be white.
Standard
|
Light Fastness
|
Oxygen bleaching
|
Persperation Fastness
|
Soaping
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
|
|
|
4-5
|
5
|
4-5(75℃)
|
5
|