Solubilised Vat Violet 8
Name:C.I.Solubilised Vat Violet 8 ,C.I.73601
Molecular Structure: Indigo class
C.I.Solubilised Vat Violet 8 ,C.I.73601,CAS 1324-23-8,602.78,C17H8Cl3NNa2O8S3
Molecular Formula:C17H8Cl3NNa2O8S3
Molecular Weight: 602.78
CAS Registry Number:10241-20-0
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 8 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Violet 8. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: brilliant purple. Soluble in water for purple
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4 | 6 | ||||
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