Кислота фиолетовая 68

Подготовка

3-Amino-4-hydroxybenzenesulfonamide diazo, and Naphthalen-2-ol coupling,?then 2-Hydroxybenzoic acid chromium complex, so that the formation of chromium complexes.

Свойства и приложения

purple. Red purple to black purple powder. Used for wool, silk and polyamide fiber fabric dyeing, also used for wool, silk, polyamide fiber and glue printing, also can be used for leather dyeing.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	7	4-5	5	5	4	4-5	5	5