Direct Blue 167

2-[2-Amino-5-[4-amino-3-(carboxymethoxy)phenyl]-phenoxy]acetic acid double nitriding, first and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 6-(2,4-Dimethoxyanilino)-1-naphthol-3-sulfonic acid?coupling.

navy blue. Soluble in water as dark blue, slightly soluble in alcohol. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick dark for sodium hydroxide solution, precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
AATCC	3-4	4	6-7	4		4-5