Мордант Фиолетовый 2

Подготовка

2-Aminobenzoic acid diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.

Свойства и приложения

red light purple. Soluble in water for red, solubility is 50 g/l (80 ℃), slightly soluble in alcohol, not soluble in acetone. In concentrated sulfuric acid to dark red light purple; In concentrated nitric acid to pink; In concentrated hydrochloric acid for brilliant red light wheat color. Mainly used for dyeing wool, dyeing scattered hair, tops and roughers, generally not used for printing.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO		6	4		4-5	5	5