Benzamide, 3-nitro-N-(1,2,4-trichloro-3-oxo-3H-phenoxazin-7-yl)-, reaction products with sodium sulfide (Na2(Sx))

Preparation

N-(6,8,9-trichloro-7-oxo-7H-phenoxazin-2-yl)benzamide?and sodium polysulphide?aqueous solution in 70 ~ 100 ℃ heating 30 hours, then add salt precipitation. This oxazine is from 1,2,4-Trichloro-7-amino-3H-isophenoxazin-3-one (C.I. Sulphur?Blue 12; C.I. 53800 intermediate) and m-nitrobenzoyl chloride?and reaction.

Properties and Applications

dark blue light red.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	4	3	5			4	2