| Chlorofluoromethane | |
|---|---|
 |
|
| IUPAC name |
Chlorofluoromethane
|
| Other names | Fluorochloromethane, Chloro-fluoro-methane, Methylene chloride fluoride, Monochloromonofluoromethane, CFM, Khladon 31, Freon 31, CFC 31, R 31 |
| Identifiers | |
| CAS number | 593-70-4 |
| PubChem | 11643 |
| EC number | 209-803-2 |
| SMILES |
C(F)Cl
|
| InChI |
1/CH2ClF/c2-1-3/h1H2
|
| Properties | |
| Molecular formula | CH2ClF |
| Molar mass | 68.48 g/mol |
| Appearance | Gas |
| Density | 1.271 kg/m3 at 20 °C |
| Melting point |
-133.0 °C |
| Boiling point |
-9.1 °C |
| kH | 0.15 mol.kg-1.bar-1 |
| Hazards | |
| Main hazards | Carc. Cat. 3 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Chlorofluoromethane or Freon 31 is a gaseous mixed halomethane (hydrochlorofluorocarbon - HCFC).
Its crystal structure is monoclinic with space group P21 and lattice constants a = 6.7676, b = 4.1477, c = 5.0206 (.10-1 nm), β = 108.205°.[1]
In altitude of 22 km traces of chlorofluoromethane occur (148 ppt)[2]
It is used as a refrigerant with ozone depletion potential 0.02.
References
- ^ Binbrek O. S., Torrie B. H., Swainson I. P. (2002). "Neutron powder-profile study of chlorofluoromethane". Acta Crystallographica C 58 (11): 672–674. doi:. PMID 12415178.
- ^ C. Lippens et al. (1981). "Atmospheric nitric acid and chlorofluoromethane 11 from interferometric spectra obtained at the Observatoire du Pic du Midi". Journal of Optics 12 (5): 331–336. doi:.
External links
- Thermochemical table at chemnet.ru
- Infrared Spectrum of Chlorofluoromethane
- IARC Summaries & Evaluations: Vol. 41 (1986), Vol. 71 (1999)
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