Phenol, 4-(9H-carbazol-3-ylamino)-, reaction products with 4-(2-naphthalenylamino)phenol, 4-nitrophenol and sodium sulfide (Na2(Sx)), oxidized

4-(Naphthaleti-2-ylamino)phenol and a small amount of 3-(4-Hydroxyanilino)carbazole and 4-Nitrophenol (8:1:1 proportion respectively) mixture with Sodium polysulfide tert – Butanol solution at 111 ~ 114 ℃ reflux heating 24 hours, finally such as C.I. Sulphur Black 11?(C.I. 53290) – sample, with Sodium nitrite oxidation (BIOS 983139-148)

blue black.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	4-5	4-5	7			4-5