C.I. Sulphur Green 12

Preparation

660 parts Benzene-1,4-diamine, 46 parts O-Methylaniline and 30 parts of sulfur was stirred at 190 ~ 230 ℃ calcined, and its product in an aqueous solution of Sodium sulfide under reflux boiled for 6 hours, combined with acid and air to precipitate (BIOS 1155,26).

Properties and Applications

olive green. In the Sodium sulfide solution for yellow olive.

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