Кислота Фиолетовая 131

Подготовка

2-Aminobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Свойства и приложения

red light purple. Apply to wool, polyamide fiber of printing and dyeing, also can be used for leather color.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	4	4	4-5	4			4-5	4-5