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| Names | |
|---|---|
| Preferred IUPAC name Bromo(difluoro)methane | |
Other names
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| Identifiers | |
3D model (JSmol) | |
| ChemSpider |
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| ECHA InfoCard | 100.014.681 |
| EC Number |
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| UNII | |
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| Properties | |
| CHBrF2 | |
| Molar mass | 130.92 g/mol |
| Appearance | Gas |
| Density | 1.55 g/cm3 at 16 °C |
| Melting point | −145 °C (−229 °F; 128 K) |
| Boiling point | −14.6 °C (5.7 °F; 258.5 K) |
| Insoluble | |
| Solubility | Alcohol,diethyl ether |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Bromodifluoromethane orHalon 1201 orFC-22B1 is agaseoustrihalomethane or a hydrobromofluorocarbon.
It can be prepared through the reaction ofhydrogen anddibromodifluoromethane at temperature in range 400–600 °C.[1]
Critical point data:Tc = 138.83 °C (411.98 K); pc = 5.2 MPa (51.32 bar);Vc = 0.275 dm3·mol−1.
Bromodifluoromethane was used as arefrigerant and infire extinguishers. It is a class Iozone depleting substance withozone depletion potential ODP = 0.74, and a greenhouse gas withglobal warming potential over 100 years of 398, which is nonetheless much smaller than other fluorinated gases due to its relatively shortatmospheric lifetime of 5.2 years.[2] It was banned by theMontreal Protocol in 1996.
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