Difference between revisions of "Boron tribromide"
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| − | '''Boron tribromide''', BBr<sub>3</sub>, is a colourless liquid which fumes in moist air. It is used as a reagent in [[organic synthesis]], where it is a strong [[Lewis acid]]. | + | {{chembox |
| + | | Name = Boron tribromide | ||
| + | | OtherNames = Tribromoborane | ||
| + | | Section1 = {{Chembox Identifiers | ||
| + | | ChemSpiderID = 23479 | ||
| + | | InChI=1/BBr3/c2-1(3)4 | ||
| + | | InChIKey = ILAHWRKJUDSMFH-UHFFFAOYAA | ||
| + | | StdInChI=1S/BBr3/c2-1(3)4 | ||
| + | | StdInChIKey = ILAHWRKJUDSMFH-UHFFFAOYSA-N | ||
| + | | CASNo = 10294-33-4 | ||
| + | | CASNo_Ref = {{cascite}} | ||
| + | | RTECS = ED7400000 | ||
| + | | EINECS = 233-657-9 | ||
| + | | UNNumber = 2692 | ||
| + | }} | ||
| + | | Section2 = {{Chembox Properties | ||
| + | | Reference = <ref name="RubberBible">{{RubberBible62nd|page=B-84}}.</ref><ref name="NIST">{{NIST chemistry|id=1S/BBr3/c2-1(3)4|name=Boron tribromide|accessdate=2010-06-22}}.</ref> | ||
| + | | Formula = BBr<sub>3</sub> | ||
| + | | MolarMass = 250.52 g mol<sup>−1</sup> | ||
| + | | Appearance = colorless to amber liquid | ||
| + | | Density = 2.643 g cm<sup>−3</sup> | ||
| + | | Solubility = reacts violently | ||
| + | | MeltingPt = −47 °C | ||
| + | | BoilingPt = 91.3 °C | ||
| + | | CriticalPt = 300 °C (573 K) | ||
| + | | VaporPressure = 7.2 kPa (20 °C) <!-- unreferenced --> | ||
| + | | RefractIndex = 1.5312 | ||
| + | }} | ||
| + | | Section4 = {{Chembox Thermochemistry | ||
| + | | Reference = <ref name="NIST"/> | ||
| + | | DeltaHf = −238.49 kJ mol<sup>−1</sup> | ||
| + | | Entropy = 228.87 J K<sup>–1</sup> mol<sup>–1</sup> | ||
| + | }} | ||
| + | | Section7 = {{Chembox Hazards | ||
| + | | Reference = <ref>{{CLP Regulation|index=005-003-00-0|page=341}}</ref> | ||
| + | | EUIndex = 005-003-00-0 | ||
| + | | MSDS = {{ICSC-small|0230}} | ||
| + | | GHSPictograms = {{GHS06|Acute Tox. 2 (oral, inhalation)}}{{GHS05|Skin Corr. 1B}} | ||
| + | | GHSSignalWord = DANGER | ||
| + | | HPhrases = {{H-phrases|330|300|314}} <ref group="note">Within the European Union, the following additional hazard statement (EUH014) must also be displayed on labelling: Reacts violently with water.</ref> | ||
| + | | PPhrases = {{P-phrases|260|264|270|271|280|284| 301+330+331|301+312|303+361+353|363|304+340|310|320|321|305+351+338|330| 403+233|405|501}} | ||
| + | }} | ||
| + | | Section8 = {{Chembox Related | ||
| + | | OtherAnions = [[Boron trifluoride]]<br />[[Boron trichloride]]<br/>[[Boron triiodide]] | ||
| + | | OtherCations = [[Aluminium bromide]]<br/>[[Gallium bromide]]<br/>[[Indium bromide]]<br/>[[Thallium(III) bromide]] | ||
| + | }} | ||
| + | }} | ||
| + | '''Boron tribromide''', BBr<sub>3</sub>, is a colourless liquid which fumes in moist air. It is used as a reagent in [[organic synthesis]], where it is a strong [[Lewis acid]]. It is also used in the manufacture of [[diborane]] and ultrahigh purity [[boron]].<ref name="Kirk-Othmer">{{Kirk-Othmer | first1 = S. D. | last1 = Ukeles | first2 = M. | last2 = Freiberg | contribution = Bromine, Inorganic Compounds | doi = 10.1002/0471238961.021815131001031 | year = 2002}}.</ref> | ||
==Notes and references== | ==Notes and references== | ||
| Line 6: | Line 53: | ||
===References=== | ===References=== | ||
| − | {{reflist| | + | {{reflist}} |
| + | |||
| + | ===Further reading=== | ||
| + | *{{citation | last1 = Dupont | first1 = Romain | last2 = Cotelle | first2 = Philippe | title = The Reaction of Arylacetones with Boron Tribromide | journal = Synthesis | year = 1999 | issue = 9 | pages = 1651–55 | doi = 10.1055/s-1999-3572}}. | ||
==External links== | ==External links== | ||
{{wikipedia|Boron tribromide}} | {{wikipedia|Boron tribromide}} | ||
| + | *[http://www.webelements.com/compounds/boron/boron_tribromide.html WebElements] | ||
*{{OrgSynth preps|id=41577|name=boron tribromide}} | *{{OrgSynth preps|id=41577|name=boron tribromide}} | ||
[[Category:Boron compounds]] | [[Category:Boron compounds]] | ||
[[Category:Bromides]] | [[Category:Bromides]] | ||
| − | |||
[[Category:Reagents for organic chemistry]] | [[Category:Reagents for organic chemistry]] | ||
{{CC-BY-3.0}} | {{CC-BY-3.0}} | ||
Latest revision as of 15:10, 7 January 2011
| Boron tribromide | |
|---|---|
| Other names | Tribromoborane |
| Identifiers | |
| InChI | InChI=1/BBr3/c2-1(3)4 |
| InChIKey | ILAHWRKJUDSMFH-UHFFFAOYAA |
| Standard InChI | InChI=1S/BBr3/c2-1(3)4 |
| Standard InChIKey | ILAHWRKJUDSMFH-UHFFFAOYSA-N |
| CAS number | [] |
| EC number | |
| UN number | 2692 |
| RTECS | ED7400000 |
| ChemSpider | |
| Properties[1][2] | |
| Chemical formula | BBr3 |
| Molar mass | 250.52 g mol−1 |
| Appearance | colorless to amber liquid |
| Density | 2.643 g cm−3 |
| Melting point |
−47 °C |
| Boiling point |
91.3 °C |
| Critical point | 300 °C (573 K) |
| Solubility in water | reacts violently |
| Vapor pressure | 7.2 kPa (20 °C) |
| Refractive index (nD) | 1.5312 |
| Thermochemistry[2] | |
| Std enthalpy of formation ΔfH |
−238.49 kJ mol−1 |
| Standard molar entropy S |
228.87 J K–1 mol–1 |
| Hazards[3] | |
| Material safety data sheet (MSDS) | ICSC |
| EU index number | 005-003-00-0 |
| GHS pictograms |  
|
| GHS signal word | DANGER |
| GHS hazard statements | H330, H300, H314 [note 1] |
| GHS precautionary statements | P260, P264, P270, P271, P280, P284, P301+330+331, P301+312, P303+361+353, P363, P304+340, P310, P320, P321 |
| Related compounds | |
| Other anions | Boron trifluoride Boron trichloride Boron triiodide |
| Other cations | Aluminium bromide Gallium bromide Indium bromide Thallium(III) bromide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Boron tribromide, BBr3, is a colourless liquid which fumes in moist air. It is used as a reagent in organic synthesis, where it is a strong Lewis acid. It is also used in the manufacture of diborane and ultrahigh purity boron.[4]
Notes and references
Notes
- ↑ Within the European Union, the following additional hazard statement (EUH014) must also be displayed on labelling: Reacts violently with water.
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-84. ISBN 0-8493-0462-8.
- ↑ 2.0 2.1 Boron tribromide. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/BBr3/c2-1(3)4>. (accessed 22 June 2010).
- ↑ Index no. 005-003-00-0 of Annex VI, Part 3, to Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. OJEU L353, 31.12.2008, pp 1–1355 at p 341.
- ↑ Ukeles, S. D.; Freiberg, M. Bromine, Inorganic Compounds. In Kirk-Othmer Encyclopedia of Chemical Technology; John Wiley: New York, 2002. DOI: 10.1002/0471238961.021815131001031.
Further reading
- Dupont, Romain; Cotelle, Philippe The Reaction of Arylacetones with Boron Tribromide. Synthesis 1999 (9), 1651–55. DOI: 10.1055/s-1999-3572.
External links
 |
See also the corresponding article on Wikipedia. |
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