Chlorofluoromethane
- CAS NO.：593-70-4
- Empirical Formula: CH2ClF
- Molecular Weight: 68.48
- MDL number: MFCD00040114
- EINECS: 209-803-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-23 16:59:16
What is Chlorofluoromethane?
Description
Chlorofluoromethane or Freon 31 is the hydrochlorofluorocarbon (HCFC) with the formula CH2ClF. It is a colorless, odorless, flammable gas.
Chlorofluoromethane is a gaseous mixed halomethane. Its crystal structure is monoclinic with space group P21 and lattice constants a = 6.7676, b = 4.1477, c = 5.0206, β = 108.205°. In altitude of 22 km traces of chlorofluoromethane occur It is used as a refrigerant with ozone depletion potential 0.02.
The Uses of Chlorofluoromethane
Pyrolysis of a mixture of dichlorofluoromethane and chlorofluoromethane gives hexafluorobenzene:
3 CHCl2F + 3 CH2ClF → C6F6+ 9 HCl
It was used as a refrigerant and has an ozone depletion potential of 0.02.
Definition
ChEBI: Chlorofluoromethane is a hydrochlorofluorocarbon.
Safety Profile
Confirmed carcinogen with experimental carcinogenic data. Moderately toxic by inhalation. Mutation data reported. When heated to decomposition it emits very toxic fumes of Cland F-. See also CHLORINATED HYDROCARBONS, ALIPHATIC; and FLUORIDES.
Properties of Chlorofluoromethane
| Melting point: | -133°C |
| Boiling point: | -9.1°C |
| Density | 1,271 g/cm3 |
| refractive index | 1.3831 (estimate) |
| IARC | 3 (Vol. 41, Sup 7, 71) 1999 |
| NIST Chemistry Reference | Methane, chlorofluoro-(593-70-4) |
| EPA Substance Registry System | HCFC-31 (593-70-4) |
Safety information for Chlorofluoromethane
Computed Descriptors for Chlorofluoromethane
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