Disperse Violet 4
Name:C.I.Disperse Violet 4,C.I.61105
Molecular Structure: anthraquinones
Molecular Formula:C15H12N2O2
Molecular Weight: 252.27
CAS Registry Number: 1220-94-6
Manufacturing Methods : (a) 1,4-Diamino-2,3-dihydroanthraquinone in the presence of sulfuric acid in chlorine, with methanol for methylation;
(b) 1,4-Dihydroxyanthracene-9,10-dione with ammonia and Methanamine, processing and oxidation.
Properties and Applications: bright blue purple. Soluble in acetone and benzene, slightly soluble in ethanol, insoluble in linseed oil. The strong sulfuric acid for brown, diluted in red. And C.I.Solvent Violet 12 learn the same structure.
Standard(Vinegar fiber) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 4-5 | 4 | 2-3 | 3-4 | 3 | ||
AATCC | 5-6 | 5 | 3 | 4-5 | 4 |
List of Suppliers:
Akasperse Fast Violet B ( Aakash Chemicals & Dyestuffs Inc. )
Chemicet Violet 6B( Chemiequip Ltd )
Disperse Violet B( Global Colors Inc. )
Kayalon Fast Violet BB( Nippon Kayak u Co Ltd )
Lowadene Violet 4( Jos H Lowenstein & Sons Inc )
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