Bromodifluoromethane
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Names | |
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Preferred IUPAC name Bromo(difluoro)methane | |
Other names
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ECHA InfoCard | 100.014.681 ![]() |
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InChI
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Properties | |
Chemical formula | 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) |
Solubility in water | Insoluble |
Solubility | Alcohol, diethyl ether |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ![]() ![]() ![]() Infobox references |
Chemical compound
Bromodifluoromethane or Halon 1201 or FC-22B1 is a gaseous trihalomethane or a hydrobromofluorocarbon.
Synthesis
It can be prepared through the reaction of hydrogen and dibromodifluoromethane 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.
Applications
Bromodifluoromethane was used as a refrigerant and in fire extinguishers. It is a class I ozone depleting substance with ozone depletion potential ODP = 0.74. It was banned by Montreal Protocol in 1996.
References
- ^ "Method for the production of bromodifluoromethane". Archived from the original on 2007-10-14. Retrieved 2007-05-24.
External links
- Ogata T, Kuwano S, Oe S (September 1997). "Microwave Spectrum, Nuclear Quadrupole Coupling Constants, and Structure of Bromodifluoromethane". J Mol Spectrosc. 185 (1): 147–52. Bibcode:1997JMoSp.185..147O. doi:10.1006/jmsp.1997.7381. PMID 9344805.
- Cox R.A.; Simmons R.F. (1971). "The kinetics of the gas-phase thermal decomposition of bromodifluoromethane". J. Chem. Soc. B: 1625–31. doi:10.1039/J29710001625.
- Plyler E.K.; Acquista N. (January 1952). "Infrared Absorption Spectra of Five Halomethanes". Journal of Research of the National Bureau of Standards. 48 (1): 92–7. doi:10.6028/jres.048.012. Research Paper 2290.
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- CH4
- CH3F
- CH3Cl
- CH3Br
- CH3I
- CH3At
- CH2F2
- CH2ClF
- CH2BrF
- CH2FI
- CH2Cl2
- CH2BrCl
- CH2ClI
- CH2Br2
- CH2BrI
- CH2I2
- CHF3
- CHClF2
- CHBrF2
- CHF2I
- CHCl2F
- C*HBrClF
- C*HClFI
- CHBr2F
- C*HBrFI
- CHFI2
- CHCl3
- CHBrCl2
- CHCl2I
- CHBr2Cl
- C*HBrClI
- CHClI2
- CHBr3
- CHBr2I
- CHBrI2
- CHI3
- CF4
- CClF3
- CBrF3
- CF3I
- CCl2F2
- CBrClF2
- CClF2I
- CBr2F2
- CBrF2I
- CF2I2
- CCl3F
- CBrCl2F
- CCl2FI
- CBr2ClF
- C*BrClFI
- CClFI2
- CBr3F
- CBr2FI
- CBrFI2
- CFI3
- CCl4
- CBrCl3
- CCl3I
- CBr2Cl2
- CBrCl2I
- CCl2I2
- CBr3Cl
- CBr2ClI
- CBrClI2
- CClI3
- CBr4
- CBr3I
- CBr2I2
- CBrI3
- CI4
* Chiral compound.
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