5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt
5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt Basic information
- Product Name:
- 5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt
- Synonyms:
-
- 5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt
- C.I.73596
- C.I.Solubilised Vat Violet 5
- Kambosol Violet IBBF
- C.I.Solubilised Vat Violet 5 :C.I.73596
- Solubilised Vat Violet 5
- CAS:
- 3875-71-6
- MF:
- C16H4Cl5NNa2O8S3
- MW:
- 657.6444
- Mol File:
- 3875-71-6.mol
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5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt Usage And Synthesis
Preparation
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Violet 5 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 5. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
blue light purple. Soluble in water for purple.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3-4 | 4-5 | 5-6 | 4 | 3-4 | ||
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5,7-Dichloro-2-[5,6,7-trichloro-3-(sodiosulfooxy)benzo[b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt(3875-71-6)Related Product Information
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- Vat Violet 1, Solubilised
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