Reactive Red 3

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

colourful red blue light. With the red powder blue. Have very good solubility in water.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	5	4 (Light blue)	4-5			4(blue)(5*100℃)	4-5