6471-02-9

in the control condition will be N-(4-acetamido-9,10-dioxo-9,10-dihydroanthracene-1-yl)acetamide?take off a acetyl groups.

red light purple. Soluble in acetone, ethanol, benzene, soluble fiber element, slightly soluble in special solvent, tao. The strong sulfuric acid for yellow brown, yellow light brown after diluted precipitation.

Standard(Vinegar fiber)	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO			6-7	5	3-4	4	4