1,1-Difluorotetrachloroethane 1,1-Difluorotetrachloroethane
Structural formula
| Business number | 01KT |
|---|---|
| Molecular formula | C2Cl4F2 |
| Molecular weight | 203.83 |
| label |
1,1-difluoro-1,2,2,2-tetrachloroethane, 2,2-Difluorotetrachloroethane, 1,1,1,2-tetrachloro-2,2-difluoroethane, 1,2,2,2-tetrachloro-1,1-difluoroethane, 1,1-difluoro-1,2,2,2-tetrachloro-ethan, 2,2-difluoro-1,1,1,2-tetrachloro-ethan, 2,2-Difluorotetrachloroethane, CFC-112a |
Numbering system
CAS number:76-11-9
MDL number:MFCD00000798
EINECS number:200-934-0
RTECS number:KI1425000
BRN number:None
PubChem ID:None
Physical property data
1. Character: Uncertain
2. Density (g/mL,25/4℃): (20/4℃)1.65
3. Relative vapor density (g/mL,AIR=1): Unsure
4. Melting point (ºC):38 -40℃
5. Boiling point (ºC,Normal pressure):91℃
6. Boiling point (ºC,5.2kPa): Unsure
7. Refractive index: Uncertain
8. Flash Point (ºC): Unsure
9. Specific optical rotation (º): Unsure
10. Autoignition point or ignition temperature (ºC): Unsure
11. fo1; tab-stops: list 36.0pt” align=left>10. Isotope atoms Quantity: 0
11. Determine the number of atomic stereocenters:0
12. Uncertain number of atomic stereocenters:0
13. Determine the number of stereocenters of chemical bonds:0
14. Uncertain number of chemical bond stereocenters:0
15. Number of covalent bond units:1
Properties and stability
None
Storage method
This product should be sealed and stored in a cool and dry place.
Synthesis method
While stirring, quickly add anhydrous aluminum trichloride to the melted Freon112Medium, heat preservation Stir2-3h, then warm it up to 60-70℃, insulation filtration, fractionation of the filtrate, collection91-92℃Fraction, get2,2-Difluorotetrafluoroethylene Ethyl chloride. Yield70%.
Purpose
Intermediate of the pharmaceutical anesthetic methoxyflurane; can be used as foaming agent, propellant, and refrigerant.
E: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial”>Stir anhydrous aluminum trichloride Quickly add melted Freon112Medium, keep warm and stir2-3h, and then warm to 60-70℃, insulation filtration, filtrate fractionation, collection91-92℃Fraction, get2,2-Difluorotetrachloroethane. Yield70%.
Purpose
Intermediate of the pharmaceutical anesthetic methoxyflurane; can be used as foaming agent, propellant, and refrigerant.