disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate
- CAS NO.：4086-05-9
- Empirical Formula: C20H13Cl2NNa2O9S2
- Molecular Weight: 592.33406
- EINECS: 223-815-5
- SAFETY DATA SHEET (SDS)
![disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate Structural](https://img.chemicalbook.in/CAS/GIF/4086-05-9.gif)
What is disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate ?
Preparation
(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 | ||
Safety information for disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate
New Products
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