Solubilised Vat Violet 7
Name:C.I.Solubilised Vat Violet 7 ,C.I.59321
Molecular Structure: anthraquinones
Molecular Formula:C26H18Na2O10S2
Molecular Weight: 600.52
CAS Registry Number:1324-23-8
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 7 leuco; (b) in the Pyridine with metal (such as copper, iron, catalpa, etc.) and Sulfur trioxide source (such as Sulfur trioxide, chlorosulfonic acid or chlorosulfonic acid methyl ester, etc.) processing C.I. Vat Violet 7. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: purple.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 4-5 | 4-5 | 6-7 | 4-5 | 5 |
List of Suppliers:
Anthrasol Violet 15R( Classic Dyestuffs Inc )
Ricosol Violet 15A( Classic Dyestuffs Inc )