Trichlorofluoromethane
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| Trichlorofluoromethane | |
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| Chemical name | Trichlorofluoromethane |
| Chemical formula | CCl3F |
| Molecular mass | 137.3681032 g/mol |
| CAS number | [75-69-4 ] |
| Density | 1.49 g/cm3 |
| Melting point | -110 °C |
| Boiling point | 24 °C |
| SMILES | CF(Cl)(Cl)(Cl) |
| Disclaimer and references | |
- R-11 redirects here, for the ballistic missile, see Scud.
Trichlorofluoromethane, also called freon-11, CFC-11, or R-11, is chlorofluorocarbon. It is a colorless, nearly odorless liquid that boils at about room temperature.
[edit] Uses
It was the first widely used refrigerant. Because of its high boiling point (compared to most refrigerants), it can be used in systems with a low operating pressure, making the mechanical design of such systems less demanding than that of higher-pressure refrigerants R-12 or R-22.
Because of the high chlorine content and the ease with which the chlorine atoms can be displaced when the molecule is subject to ultraviolet light, R-11 has the highest ozone depletion potential (1.0) of any refrigerant. U.S. production was ended in 1995.
Trichlorofluoromethane is used as a reference compound for fluorine-19 NMR studies.
[edit] External links
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