Reactive red 253 (C.I. 18212)

Preparation

aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, its products and 2,4,6-Trichloro-1,3,5-triazine condensation , and then and the 4-Aminobenzenesulfonic acid?condensation

Properties and Applications

red.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4	4	4-5	5	5	5(40℃)	5(40℃)