dye|World dye variety

Name:C.I.Sulphur Black 7,C.I.53300

Molecular Structure:

C.I.Sulphur Black 7,C.I.53300,CAS 1327-17-9,Indocarbon CLB

CAS Registry Number:1327-17-9

Manufacturing Methods : 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)

Properties and Applications: blue black.

List of Suppliers:

Indocarbon CLB( Cassella AG )