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{{chembox {{chembox
| Watchedfields = changed
| verifiedrevid = 399696111 | verifiedrevid = 429862040
| ImageFile = Bromodifluoromethane.png | ImageFile = Bromodifluoromethane.png
| ImageSize = 120px | ImageSize = 120px
| PIN = Bromo(difluoro)methane <!-- Parentheses are used according to Subsection P-16.5.1.3 of Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book) -->
| IUPACName = Bromodifluoromethane
| OtherNames = {{ubl
| OtherNames = Difluorobromomethane, Halon 1201, HBFC-22B1, FC-22B1, R-22B1, FM-100
| Bromodifluoromethane
| Section1 = {{Chembox Identifiers
| Difluorobromomethane
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| Halon 1201
| HBFC-22B1
| FC-22B1
| R-22B1
| FM-100
}}
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 56193 | ChemSpiderID = 56193
| SMILES1 = BrC(F)F | SMILES1 = BrC(F)F
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = GRCDJFHYVYUNHM-UHFFFAOYSA-N | StdInChIKey = GRCDJFHYVYUNHM-UHFFFAOYSA-N
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 1511-62-2 | CASNo = 1511-62-2
| UNII_Ref = {{fdacite|correct|FDA}}
| EINECS = 216-149-1
| PubChem = 62407 | UNII = L1F4C2FIBR
| SMILES = C(F)(F)Br | EINECS = 216-149-1
| PubChem = 62407
| InChI = 1/CHBrF2/c2-1(3)4/h1H
| SMILES = C(F)(F)Br
| InChI = 1/CHBrF2/c2-1(3)4/h1H
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| Formula = CHBrF<sub>2</sub> | Formula = CHBrF<sub>2</sub>
| MolarMass = 130.92 g/mol | MolarMass = 130.92{{nbsp}}g/mol
| Appearance = Gas | Appearance = Gas
| Density = 1.55 g/cm<sup>3</sup> at 16 °C | Density = 1.55{{nbsp}}g/cm<sup>3</sup> at 16{{nbsp}}°C
| MeltingPt = -145 °C (128 K) | MeltingPtC = -145
| MeltingPt_notes =
| BoilingPt = -14.6 °C (258.6 K)
| BoilingPtC = -14.6
| Solubility = Insoluble
| BoilingPt_notes =
| SolubleOther = ], ]
| Solubility = Insoluble
}}
| SolubleOther = ], ]
| Section3 = {{Chembox Hazards
| MainHazards =
| FlashPt =
| Autoignition =
}} }}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt =
}}
}} }}


'''Bromodifluoromethane''' or '''Halon 1201''' or '''FC-22B1''' is a ] ] or a hydrobromofluorocarbon. '''Bromodifluoromethane''' or '''Halon 1201''' or '''FC-22B1''' is a ] ] or a hydrobromofluorocarbon.


==Synthesis==
It can be prepared be reaction of ] and ] at temperature in range 400–600 °C.<ref></ref> It can be prepared through the reaction of ] and ] at temperature in range 400–600&nbsp;°C.<ref>{{Cite web |url=http://www.wipo.int/pctdb/en/wo.jsp?wo=1991009000 |title=Method for the production of bromodifluoromethane |access-date=2007-05-24 |archive-url=https://web.archive.org/web/20071014012004/http://www.wipo.int/pctdb/en/wo.jsp?wo=1991009000 |archive-date=2007-10-14 |url-status=dead }}</ref>


] data: T<sub>c</sub> = 138.83 °C (411.98 K); p<sub>c</sub> = 5.2 MPa (51.32 bar); V<sub>c</sub> = 0.275 dm<sup>3</sup>.mol<sup>-1</sup>. ] data: ''T''<sub>c</sub> = 138.83&nbsp;°C (411.98{{nbsp}}K); p<sub>c</sub> = 5.2{{nbsp}}MPa (51.32{{nbsp}}bar); ''V''<sub>c</sub> = 0.275{{nbsp}}dm<sup>3</sup>·mol<sup>−1</sup>.


==Applications==
Bromodifluoromethane was used as a ] and in ]. It is a class I ] with ] ODP = 0.74. It was banned by ] in ]. Bromodifluoromethane was used as a ] and in ]. It is a class I ] with ] ODP = 0.74. It was banned by ] in 1996.


== References == == References ==
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== External links == == External links ==
*{{cite journal |author=Ogata T, Kuwano S, Oe S |title=Microwave Spectrum, Nuclear Quadrupole Coupling Constants, and Structure of Bromodifluoromethane |journal=J Mol Spectrosc |volume=185 |issue=1 |pages=147–52 |year=1997 |month=September |pmid=9344805 |doi=10.1006/jmsp.1997.7381 }} *{{cite journal |vauthors=Ogata T, Kuwano S, Oe S |title=Microwave Spectrum, Nuclear Quadrupole Coupling Constants, and Structure of Bromodifluoromethane |journal=J Mol Spectrosc |volume=185 |issue=1 |pages=147–52 |date=September 1997 |pmid=9344805 |doi=10.1006/jmsp.1997.7381 |bibcode=1997JMoSp.185..147O }}
*{{cite journal |author=Cox R.A., Simmons R.F. |title=The kinetics of the gas-phase thermal decomposition of bromodifluoromethane |journal=J. Chem. Soc. B |volume= |issue= |pages=1625–31 |year=1971 |doi=10.1039/J29710001625 |url=http://www.rsc.org/publishing/journals/article.asp?doi=j29710001625}} *{{cite journal |author=Cox R.A. |author2=Simmons R.F. |title=The kinetics of the gas-phase thermal decomposition of bromodifluoromethane |journal=J. Chem. Soc. B |pages=1625–31 |year=1971 |doi=10.1039/J29710001625 |url=http://www.rsc.org/publishing/journals/article.asp?doi=j29710001625}}
*{{cite journal |author=Plyler E.K., Acquista N. |title=Infrared Absorption Spectra of Five Halomethanes |journal=Journal of Research of the National Bureau of Standards |volume=48 |issue=1 |pages=92–7 |year=1952 |month=January |url=http://nvl.nist.gov/pub/nistpubs/jres/048/1/V48.N01.A12.pdf |format=PDF |id=Research Paper 2290}} *{{cite journal |author=Plyler E.K. |author2=Acquista N. |title=Infrared Absorption Spectra of Five Halomethanes |journal=Journal of Research of the National Bureau of Standards |volume=48 |issue=1 |pages=92–7 |date=January 1952 |id=Research Paper 2290 |doi=10.6028/jres.048.012 |doi-access=free }}


{{Halomethanes}} {{Halomethanes}}


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{{organohalide-stub}} {{organohalide-stub}}

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