C.I. Sulphur Blue 6 (8CI,9CI)

Preparation

Acetamide,N-[4-[(4-oxo-2,5-cyclohexadien-1-ylidene)hydrazino]phenyl]-?with Sodium polysulfide solution heating. This indophenol?is by 4- acetylamino-diphenylamine and 4-Nitrosophenol condensation and have to.

Properties and Applications

blue.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	4	4-5	6			4	3