C.I. Sulphur Black 9

Подготовка

4-(2,4-Dinitrophenylamino)phenol of cold water suspension added to 95 ℃ of Sodium polysulfide solution when the reduction reaction is completed, in 114 ~ 115 ℃ reflux heating, then diluted, injection Ferrous chloride solution, and drum drying the mixture (FIAT 764)

Свойства и приложения

blue black. In the Sodium sulfide solution for blue black

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