Reactive Red 88

Preparation

2-Amino-5-methylbenzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation .

Properties and Applications

blu-ray red. Purplish red powder. The strong sulfuric acid for purple, diluted into red rose; In nitric acid for red, dilute to orange. Water solution is red, with 1 Moore no change sodium hydroxide solution, continue to join insurance powder warm to colorless, add a boric acid sodium is still colorless. Mainly used for cotton, nylon, viscose fiber and fabric dyed and roll across.

Standard(cellulose)	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4-5					4-5(50℃)	5