Bromodifluoromethane
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.
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, and a greenhouse gas with global warming potential over 100 years of 398, which is nonetheless much smaller than other fluorinated gases due to its relatively short atmospheric lifetime of 5.2 years. It was banned by the Montreal Protocol in 1996.
References
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.
“Bromodifluoromethane” enters the record as chemical compound. Crown Archives preserves that source wording while asking what Bromodifluoromethane, chemical and compound can confirm, complicate or overturn.
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Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Sep 30, 2025. The linked authority identifier is Q2354896. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1201, 1996, 1997 and 1006.
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This entry incorporates text from “Bromodifluoromethane” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.