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.