2-Amino-4-nitrophenol diazo, and N-(2-hydroxy-5-methylphenyl)acetamide?coupling, and then turn it into 1:2 chromium complex.
Properties and Applications
red light brown. Black brown powder, soluble in water for black brown solution. Used for wool, silk, polyamide, PVA and their blended fabric dyeing and printing, also can be used for leather dyeing.
