ACID BLACK 48

Chemical Properties

black fine powder

Preparation

(a) N-(9,10-dioxo-9,10-dihydroanthracene-1-yl)-1-aminoanthracene-9,10-dione?and 1-Amino-4-bromoanthracene-9,10-dione in copper and sodium acetate under existing condensation, then with hair smoke sulphonated sulfuric acid (with or without boric acid all but), and translated into sodium salt.

Properties and Applications

blue ash to green light navy blue. Soluble in ethanol, slightly soluble in soluble fiber element, insoluble in benzene, acetone, chloroform organic solvents. The strong sulfuric acid for gray, after diluted gray precipitation.

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