C.I. Direct green 60

Подготовка

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in acid conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid coupling.

Свойства и приложения

dark yellow light green. Soluble in water for red light brown, not soluble in alcohol. The strong sulfuric acid in the navy for, for the shallow blue light gray after diluted. Dye with strong hydrochloric acid solution for dark blue light green, precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.

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