4-[(2-methoxy-4-nitrophenyl)azo]-N,N-dimethyl-Benzenamine

Preparation

2-Methoxy-4-nitrobenzenamine diazo, and N,N-dimethylaniline?coupling

Properties and Applications

Red. Soluble in ethanol, acetone, soluble fiber element and benzene, slightly soluble in carbon tetrachloride. The strong sulfuric acid for yellow brown, diluted for blu-ray red; Sodium hydroxide solution in thick to red. Used in vinegar of fiber dyeing and printing, also used for nylon.

Standard(Vinegar fiber)	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO			4-5