Direct Brown 119

3-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupling, generation single accidentally nitrogen compounds (A); 4-Nitrobenzenamine diazo, and Resorcinol coupling, generating accidentally nitrogen compounds (B); 2,4-Diaminobenzenesulfonic acid double nitriding, and accidentally nitrogen compounds A and B matches.

brown. Brown powder. Soluble in water, soluble in general. The strong sulfuric acid for yellow brown, diluted for yellow brown still, precipitation. The dye solution for yellow brown, add the strong hydrochloric acid for yellow brown, have precipitation; Add thick sodium hydroxide for blue-ray red. Used for cotton, viscose and their blended fabric dyeing, also can be in cotton or viscose fabric direct printing, also used for paper color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	6	4		4
AATCC	4	3-4	6	2		4