CHLORAZOL BLUE RW

3,3′-Dimethoxylbenzidine double nitriding, first and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid?coupling, and then and Naphthalen-2-ol coupling.

blue. Soluble in water for blue, soluble in soluble fiber element, insoluble in organic solvents. The strong sulfuric acid for green light blue, purple precipitation after diluted; In the light of nitric acid for palm gray solution. The dye solution to join for blue-ray red rare hydrochloric acid; Add sodium hydroxide for purple.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	4-5	1	1-2		1-2
AATCC	5	3-4	1-2	3-4		2-3