N,N-DIMETHYL-4,4'-AZODIANILINE

dark orange to rust brown crystalline powder

N,?N-?Dimethyl-?4,?4''-?azodianiline is a disperse dye. Dyes and metabolites.

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

Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx

Crystallise the azo-dye from aqueous EtOH. [Beilstein 14 IV 1004.]

black, red and black. Red crystallization, melting point of 186 ~ 187 ℃. Soluble in ethanol, acetone, soluble fiber element, pottery, solvent and carbon tetrachloride,. The strong sulfuric acid is palm in light yellow, diluted for orange red; In the light of nitric acid for palm red solution; In strong hydrochloric acid solution for red; In the thick of sodium hydroxide solution don’t change color.

Standard(Polyamide)	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO		2	3	4	3-4	4	4