ACID GREEN 41

Химические свойства

dark green crystalline powder

Подготовка

(a) p-Methylaniline and leuco-1,4,5,8-tetrahydroxyanthraquinone?in the presence of arsenic acids and boric acid condensation, stlfonation, and translated into sodium salt; (b) is p-Methylaniline and 1,4-Dichloro-5,8-dihydroxyanthracene-9,10-dione condensation, stlfonation, and translated into sodium salt.

Свойства и приложения

green. Green black powder. Soluble in acetone, ethanol, soluble fiber element, o-chlorophenol and pyridine, insoluble in benzene, carbon tetrachloride, chloroform and toluene. Meet strong sulfuric acid is green, diluted into a green light. In insurance powder in the alkaline solution to red. Used for wool, silk and wool fabric dyeing and printing, also can be used for paper color, can also be used in organic pigments. Mainly used for loose hair, tops and yarn, generally used alone.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	6-7	3	4	4	2-3		4-5
AATCC	5-6	3-4	3-4	3-4			3-4