Reactive Red 1

4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and 2,4,6-Trichloro-1,3,5-triazine condensation, 2-Aminobenzenesulfonic acid diazo, and condensation products coupled, then salting-out.

colourful red blue light. Sauce red powder. The strong sulfuric acid for purple, diluted into colourful red; In nitric acid for red, diluted is still red. The dye solution for red, with 1 Moore sodium hydroxide solution into orange red, continue to join insurance powder and warm, into a light yellow, plus people had boric acid sodium is still light yellow. Mainly used for cotton, viscose, wool, silk dyeing, suitable for contaminated and roll dye.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	5	2 (Light blue)	4-5	4(blue)	4	3 (Light blue)(5*100℃)	4-5