2,5-Cyclohexadien-1-one, 4-[[4-(phenylamino)phenyl]imino]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs.

4-(4-(Phenylamino)phenylimino)cyclohexa-2,5-dienone?with Sodium polysulfide solution at 122 ~ 124 ℃ heating 36 hours, after diluted with air precipitation (BIOS 1155, – 22). This indophenol?by?Diphenylamine?and?4-Nitrosophenol?in sulfuric acid in the condensation, in 116 ~ 117 ℃ reflux get a brilliant color of dye.

Not classified

dark blue to blue. Navy blue powder. Insoluble in water, soluble in moderate Sodium sulfide solution, for green yellow. In concentrated sulfuric acid to green light blue, dilution of dark after precipitation.

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