C.I. Sulphur Blue 14 (8CI)

Подготовка

4-(4-Hydroxyphenylimino)cyclohexa-2,5-dienone?with Sodium polysulfide solution heating, in 111 ~ 112 ℃ under reflux 40 ~ 50 hours, in 45 ℃ blowing air or in a dilute Sodium hydroxide solution by air oxidation, make its precipitation. This indophenol?is by 4-Aminophenol and phenol with a mixture of Sodium hypochlorite oxidation and have to.

Свойства и приложения

dark blue.?Good solubility in sodium sulfide solution.

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