disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate
disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate Basic information
- Product Name:
- disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate
- Synonyms:
-
- disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate
- disodium,[6-chloro-2-(5,7-dichloro-4-methyl-3-sulfonatooxy-1-benzothiophen-2-yl)-4-methyl-1-benzothiophen-3-yl] sulfate
- C.I.Solubilised Vat Red 2:C.I.73366
- Solubilised Vat Red 2
- CAS:
- 10126-97-3
- MF:
- C18H11Cl3O8S4.2Na
- MW:
- 633.8578
- EINECS:
- 2333520
- Mol File:
- 10126-97-3.mol
disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate Usage And Synthesis
Preparation
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Red 2?leuco ; (b) used in Pyridine metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Red 2. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
Properties and Applications
bright blue light pink to red colourful blue-ray. Shallow red powder. Soluble in water for blue-ray red, solubility in general. This product has the brittle light. Used for the cotton fabric dyeing, can be in neutral or alkaline bath dyeing dyeing, also can be used for printing of cotton, including direct printing, the printing and dyeing discharge printing. Can also be used for the silk fabric and wool fabric and polyester/cotton blended fabric dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 5 | 5 | 4 | 4 | 4-5 | 5 |
disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate (10126-97-3)Related Product Information
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