Chlorofluoromethane
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| Names | |||
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Preferred IUPAC name
Chloro(fluoro)methane
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| Other names
Chlorofluoromethane
Fluorochloromethane Chloro-fluoro-methane Methylene chloride fluoride Monochloromonofluoromethane CFM Khladon 31 Freon 31 CFC 31 R 31 |
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| Identifiers | |||
593-70-4 
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| 3D model (Jmol) | Interactive image | ||
| ChemSpider |
11153 
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| ECHA InfoCard | 100.008.914 | ||
| EC Number | 209-803-2 | ||
| KEGG |
C19362
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| PubChem | 11643 | ||
| UNII |
CUM8OUO53E
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| Properties | |||
| CH2ClF | |||
| Molar mass | 68.48 g/mol | ||
| Appearance | Gas | ||
| Density | 1.271 kg/m3 at 20 °C | ||
| Melting point | −133.0 °C (−207.4 °F; 140.2 K) | ||
| Boiling point | −9.1 °C (15.6 °F; 264.0 K) | ||
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Henry's law
constant (kH) |
0.15 mol.kg−1.bar−1 | ||
| Hazards | |||
| Main hazards | Carc. Cat. 3 | ||
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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 (what is ?) |
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| Infobox references | |||
Chlorofluoromethane or Freon 31 is a gaseous mixed halomethane. It is a hydrochlorofluorocarbon (HCFC). It is used as a refrigerant and has an ozone depletion potential of 0.02.
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°.
At an altitude of 22 km, traces of chlorofluoromethane occur (148 ppt).
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