C.I. Reactive Blue 1

1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4-Diaminobenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazine condensation .

colourful green light blue. Green light blue powder in water to have good solubility. Mainly used for cotton, viscose, polyamide, silk, wool fabric dyeing and printing. Structure and C.I.Reactive Blue 4 the same.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	6-7	3	4-5	4-5 (dark)	4-5	3-4	5