C.I. Direct brown 14

4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? diazo, and Benzene-1,3-diamine coupled to a product matches.

brown olive green light. Soluble in water, soluble in alcohol. The strong sulfuric acid for purple; In strong hydrochloric acid for red brown solution.

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