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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 = [[Alcohol]], [[diethyl ether]]
⚫
| Solubility = Insoluble
⚫
}}
⚫
| SolubleOther = [[Alcohol (chemistry)|Alcohol]], [[diethyl ether]]
⚫
| Section3 = {{Chembox Hazards
⚫
| MainHazards =
⚫
| FlashPt =
| Autoignition =
}}
}}
⚫
|Section3={{Chembox Hazards
⚫
| MainHazards =
⚫
| FlashPt =
| AutoignitionPt =
}}
}}
}}


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


==Synthesis==
It can be prepared be reaction of [[hydrogen]] and [[dibromodifluoromethane]] at temperature in range 400–600 °C.<ref>[http://www.wipo.int/pctdb/en/wo.jsp?wo=1991009000 Method for the production of bromodifluoromethane]</ref>
It can be prepared through the reaction of [[hydrogen]] and [[dibromodifluoromethane]] 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>


[[critical point (thermodynamics)|Critical point]] 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>.
[[critical point (thermodynamics)|Critical point]] 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 [[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 [[2000]].
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 ==
== References ==
Line 48: Line 64:


== 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}}


[[Category:Halomethanes]]
[[Category:Halomethanes]]
[[Category:Ozone depletion]]
[[Category:Fire suppression agents]]
[[Category:Fire suppression agents]]
[[Category:Refrigerants]]
[[Category:Refrigerants]]
[[Category:Organobromides]]
[[Category:Organobromides]]
[[Category:Organofluorides]]
[[Category:Organofluorides]]
[[Category:Ozone-depleting chemical substances]]



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

[[fr:Bromodifluorométhane]]
[[nl:Broomdifluormethaan]]
[[ja:ブロモジフルオロメタン]]
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