4-[(4-Amino-2-chlorophenyl)azo]-N,N-dimethylaniline

2-Chloro-4-nitrobenzenamine diazo, and N,N-dimethylaniline?coupling, and then will the nitro reductive into amino.

blue and black. Soluble in ethanol, acetone, soluble fiber element and benzene, slightly soluble in carbon tetrachloride. The strong sulfuric acid for bright red light in purple, diluted with dark red; In strong hydrochloric acid for yellow peach solution.

Standard(Polyamide)	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO			3	4-5	4-5	4	4
AATCC			5	4		5	5