Leuco Sulphur Black 6
Name:C.I.Leuco Sulphur Black 6,C.I.53295
Molecular Structure:
CAS Registry Number:12262-22-5
Manufacturing Methods : 4-(Naphthaleti-2-ylamino)phenol and a small amount of 4-Nitrophenol and 4-Methylbenzene-1,3-diamine with Sodium polysulfide tert – Butanol solution at 110 ~ 112 ℃ reflux heating 30 hours, and finally as C.I. Sulphur Black 11 (C.I. 53290) – sample, with Sodium nitrite oxidation (BIOS 983130-138). The dye than most sulfur dye has good resistance to chlorine bleaching fastness.
Properties and Applications: blue black. Black powder. Soluble in water. In the Sodium sulfide solution for olive; In the basic insurance powder solution for the grass green.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 4-5 | 4-5 | 6-7 | 4-5 | 5 |
List of Suppliers:
Dycosulfur Vat Black GLG (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Sulfur Vat Black GLG(Brighten Colorchem BV)
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