Solubilised Vat Blue 8
Name:C.I.Solubilised Vat Blue 8,C.I.738001
Molecular Structure: Indigo class
C.I.Solubilised Vat Blue 8,C.I.738001,CAS 4086-05-9,592.34,C20H13Cl2NNa2O9S2
Molecular Formula:C20H13Cl2NNa2O9S2
Molecular Weight: 592.34
CAS Registry Number:4086-05-9
Manufacturing Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 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 Blue 8. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications: blue to navy blue. Soluble in water.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4 | 5-6 | 4 | 4 | ||
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