Revision as of 11:35, 17 February 2011 editBeetstra (talk | contribs)Edit filter managers, Administrators172,031 edits Script assisted update of identifiers from ChemSpider, CommonChemistry and FDA for the Chem/Drugbox validation project - Updated: ChEMBL.← Previous edit |
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{{chembox |
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{{chembox |
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| Watchedfields = changed |
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| verifiedrevid = 399894723 |
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| verifiedrevid = 414418288 |
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| ImageFile_Ref = {{chemboximage|correct|??}} |
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| ImageFile = Dibromodifluoromethane.png |
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| ImageFile = Dibromodifluoromethane.png |
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| ImageSize = 120px |
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| ImageSize = 120px |
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| PIN = Dibromo(difluoro)methane |
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| IUPACName = Dibromodifluoromethane |
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| OtherNames = Difluorodibromomethane, Carbon dibromide difluoride, Carbon bromide fluoride, Halon 1202, Fluorocarbon 12-B2, FC 12-B2, R 12B2, UN 1941 |
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| OtherNames = Dibromodifluoromethane<br />Difluorodibromomethane<br />Carbon dibromide difluoride<br />Carbon bromide fluoride<br />Halon 1202<br />Fluorocarbon 12-B2<br />FC 12-B2<br />R 12B2<br />UN 1941<br />Freon 12B2 |
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| Section1 = {{Chembox Identifiers |
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|Section1={{Chembox Identifiers |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| ChemSpiderID = 6142 |
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| ChemSpiderID = 6142 |
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| ChEMBL_Ref = {{ebicite|correct|EBI}} |
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| ChEMBL = 499553 |
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| ChEMBL = 499553 |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey = AZSZCFSOHXEJQE-UHFFFAOYSA-N |
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| StdInChIKey = AZSZCFSOHXEJQE-UHFFFAOYSA-N |
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| CASNo_Ref = {{cascite|correct|??}} |
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| CASNo = 75-61-6 |
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| CASNo = 75-61-6 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| EINECS = 200-885-5 |
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| PubChem = 6382 |
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| UNII = 82022727JD |
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| EINECS = 200-885-5 |
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| SMILES = C(F)(F)(Br)Br |
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| UNNumber = 1941 |
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| InChI = 1/CBr2F2/c2-1(3,4)5 |
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| RTECS = PA7525000 |
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| PubChem = 6382 |
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| SMILES = BrC(F)(F)Br |
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}} |
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| InChI = 1/CBr2F2/c2-1(3,4)5 |
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| Section2 = {{Chembox Properties |
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| RTECS = PA7525000 |
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| Formula = CBr<sub>2</sub>F<sub>2</sub> |
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}} |
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| MolarMass = 209.82 g/mol |
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|Section2={{Chembox Properties |
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| Appearance = Colourless gas/liquid |
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| Formula = CBr<sub>2</sub>F<sub>2</sub> |
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| Density = 8.7 kg/m³ (for gas) |
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| MolarMass = 209.82{{nbsp}}g/mol |
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2.27 g/cm³ (for liquid) |
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| Appearance = Colourless gas/liquid |
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| MeltingPt = -101.1°C |
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| BoilingPt = 22.8 °C |
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| Density = {{ubl |
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| 8.7{{nbsp}}kg/m<sup>3</sup> (for gas) |
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| Solubility = Insoluble |
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| 2.27{{nbsp}}g/cm<sup>3</sup> (for liquid) |
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| LogP = 1.99 |
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}} |
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| VaporPressure = 83 kPa at 20 °C |
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| MeltingPtC = -101.1 |
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}} |
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| BoilingPtC = 22.8 |
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| Section3 = {{Chembox Hazards |
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| Solubility = insoluble |
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| MainHazards = Dangerous for the environment ('''N''') |
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| NFPA-H = 2 |
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| LogP = 1.99 |
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| VaporPressure = 83{{nbsp}}kPa at 20{{nbsp}}°C |
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| NFPA-F = 0 |
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}} |
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| NFPA-R = 0 |
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|Section3={{Chembox Hazards |
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| NFPA-O = |
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| SPhrases = {{S23}}, {{S24/25}} |
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| GHSPictograms = {{GHS07}} |
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| GHSSignalWord = Warning |
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| FlashPt = |
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| HPhrases = {{H-phrases|420}} |
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| Autoignition = |
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| PPhrases = {{P-phrases|502}} |
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}} |
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| NFPA-H = 2 |
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| NFPA-F = 0 |
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| NFPA-R = 0 |
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| NFPA-S = |
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| FlashPt = Non-flammable |
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| FlashPt_ref = <ref name=PGCH/> |
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| AutoignitionPt = |
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| PEL = TWA 100{{nbsp}}ppm (860{{nbsp}}mg/m<sup>3</sup>)<ref name=PGCH>{{PGCH|0214}}</ref> |
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| REL = TWA 100{{nbsp}}ppm (860{{nbsp}}mg/m<sup>3</sup>)<ref name=PGCH/> |
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| IDLH = 2000{{nbsp}}ppm<ref name=PGCH/> |
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}} |
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}} |
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'''Dibromodifluoromethane''' is a mixed ]. It is a colorless non-flammable liquid. |
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'''Dibromodifluoromethane''' is a mixed ]. It is a colorless non-flammable liquid. Along with Halons ], ], and ], it is one of the most effective ], however, it is also very toxic. It is a class I ] (ODS). |
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==Synthesis== |
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Along with Halons ], ], and ], it is the most effective ], however, also the most toxic one. |
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Dibromodifluoromethane can be obtained by vapor phase bromination of ].<ref name="HSDB">{{HSDB|ID=1335|name=Dibromodifluoromethane|accessdate=2013-03-10}}</ref> |
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It is also formed during the fluorination of ].<ref name="Alan Roy Katritzky, Otto Meth-Cohn, Thomas Lonsdale Gilchrist, Charles Wayne Rees">{{citation|author=Alan Roy Katritzky, Otto Meth-Cohn, Thomas Lonsdale Gilchrist, Charles Wayne Rees|date=1995|isbn=0-08-042704-9|pages=226|publisher=Elsevier|title=Comprehensive Organic Functional Group Transformations: Carbon with Three Or ...|url={{Google books|YzBveZGm0GEC||page=226|plainurl=yes}}}}<!-- auto-translated by Module:CS1 translator --></ref> |
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It is a class I ] (ODS). |
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== Table of physical properties == |
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== Table of physical properties == |
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{| class="wikitable" |
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{| class="wikitable" |
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! Property |
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! Property |
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! Value |
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! Value |
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| ] (ρ) at 15 °C (liquid) |
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| ], ρ, at 15{{nbsp}}°C (liquid) |
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| 2.3063 g.cm<sup>−3</sup> |
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| 2.3063{{nbsp}}g/cm<sup>3</sup> |
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| ] (T<sub>c</sub>) |
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| ], ''T''<sub>c</sub> |
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| 198.3 °C (471.3 K) |
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| 198.3{{nbsp}}°C, 471.3{{nbsp}}K |
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| Critical pressure (p<sub>c</sub>) |
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| Critical pressure, p<sub>c</sub> |
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| 4.13 MPa (40.8 bar) |
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| 4.13{{nbsp}}MPa, 40.8{{nbsp}}bar |
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| ] (n) at 20 °C, D |
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| ], ''n'' at 20{{nbsp}}°C, D |
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| 1.398 |
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| 1.398 |
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| ] |
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| ] |
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| 0.7 D |
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| 0.7{{nbsp}}D |
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| ] (ODP) |
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| ], ODP |
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| 0.4 (] = 1) |
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| 0.4, ] is 1 |
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| ], GWP |
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| 231, ] is 1<ref>Hodnebrog, Ø., M. Etminan, J. S. Fuglestvedt, G. Marston, G. Myhre, C. J. Nielsen, K. P. Shine, and T. J. Wallington (2013), ‘Global warming potentials and radiative efficiencies of halocarbons and related compounds: A comprehensive review,’ ''Reviews of Geophysics'', vol. 51, pp. 300-378, doi:10.1002/rog.20013.</ref> |
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==References== |
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{{reflist}} |
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== External links == |
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== External links == |
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* {{PGCH|0214}} |
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* {{PGCH|0214}} |
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{{Halomethanes}} |
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{{Halomethanes}} |
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{{fluorine compounds}} |
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