Sulphur Black 8
Name:C.I.Sulphur Black 8,C.I.53520
Molecular Structure:
CAS Registry Number:1327-66-8
Manufacturing Methods : 4-(4-Amino-8-hydroxynaphthalen-1-ylimino)cyclohexa-2,5-dienone with Sodium polysulfide solution at 110 ℃ reflux heating 50 hours, then pass air precipitation out dye (BIOS 1155,). This indophenol is by 5-Aminonaphthalen-1-ol and 4-Aminophenol with Sodium hypochlorite oxidation of mixture and be.
Properties and Applications: grey.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 4 | 4-5 | 5-6 | 3-4 | 4-5 | 3 |
List of Suppliers:
Hydron Grey BG Stabilosol ( Cassella AG )
lmmedial Fast Grey B( Cassella Farbwerke Mainkur AG )
Immedial Grey B( Cassella AG )
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