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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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