Disperse Blue 87

1,4-Diamino anthraquinone chlorinated, stlfonation, cyanide, dehydrated, closed loop, and then 3-Methoxypropan-1-amine?condensation. 1,4-Diamino-9,10-dioxo-9,10-dihydroanthracene-2,3-dicarbonitrile?with methanol, sodium hydroxide, pyridine cyclization, with p-toluene sulfonic acid-propionic acid methyl ester alkylation, and then separated.

bright blue, bright green light blue. Black powder. Insoluble in water, soluble in ethanol, soluble in DMF and pyridine, slightly soluble in methanol. Used for polyester and their blended fabric dyeing and printing, bright color, good color fastness, colored light for green light blue. Can also be used for the polyester/cotton blended dyeing of a bath. This product can also be used to vinegar fiber dyeing, in three vinegar fine in a bit deep bright blue.

Standard	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO	5	4	7	5	5	4-5	4-5