N-[4-[(9,10-Dihydro-9,10-dioxoanthracen-2-yl)amino]-9,10-dihydro-9,10-dioxoanthracen-1-yl]benzamide

Preparation

N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and 2-Chloroanthracene-9,10-dione?in Naphthalene in copper powder and Sodium acetate trihydrate under the existence of condensation.

Properties and Applications

dark purple. Soluble in Pyridine , 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene. In concentrated sulfuric acid to green light brown, after dilution red purple precipitation; In the basic insurance powder solution for claret; In the acidic insurance powder solution for green light brown.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	3-4	4-5	7-8	5	4	4-5	5