Direct Blue 106

Preparation

5-Amino-2-(phenylamino)benzenesulfonic acid and the 2,3,5,6-Tetrachlorocyclohexa-2,5 -diene-1,4-dione in the water to magnesium oxide bound for acid agents for condensation, its product to hair smoke closed-loop have to dioxazine sulfuric acid, and then as two sodium salting out.

brand name

Solophenyl Brilliant Blue BL, Chlorantin Fast Brilliant Blue 2 GL (Ciba-Geigy), Tertro Direct Light Blue 2GLN (Crompton & Knowles).

Properties and Applications

bright blue. Mainly used for cotton, viscose, silk, polyamide fiber fabric dyeing and printing, also can be used for leather dyeing.

Standard(cotton)	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	4	6-7	3-4		2-3