Difference between revisions of "Tellurium tetrabromide"
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| MeltingPt = 380 °C | | MeltingPt = 380 °C | ||
| BoilingPt = 421 °C ''decomp.'' | | BoilingPt = 421 °C ''decomp.'' | ||
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| + | | Section7 = {{Chembox Hazards | ||
| + | | Reference = <ref name="PEL">{{29CFR1910.1000Z1|entry=Tellurium compounds (as Te)}}. {{PGCH-ref|id=0587|name=Tellurium}}.</ref> | ||
| + | | PEL = 0.1 mg m<sup>−3</sup> TWA (as Te) | ||
}} | }} | ||
| Section8 = {{Chembox Related | | Section8 = {{Chembox Related | ||
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==External links== | ==External links== | ||
*[http://www.webelements.com/compounds/tellurium/Te-4_Br-16.html WebElements] | *[http://www.webelements.com/compounds/tellurium/Te-4_Br-16.html WebElements] | ||
| + | *{{UKPID|id=84|name=Tellurium}} | ||
| + | *{{PGCH|0587|name=Tellurium}} | ||
[[Category:Tellurium compounds]] | [[Category:Tellurium compounds]] | ||
Latest revision as of 07:31, 8 January 2011
| Tellurium tetrabromide | |
|---|---|
| IUPAC name | tetra-μ3-bromido-tetrakis(tribromidotellurium) |
| Identifiers | |
| Standard InChI | InChI=1S/Br16Te4/c1-17(2,3)13- 18(4,5,6)14(17)20(10,11,12)15( 17)19(13,7,8,9)16(18)20 |
| Standard InChIKey | OFYULIQVDSHNJH-UHFFFAOYSA-N |
| CAS number | [] |
| EC number | |
| Properties[1] | |
| Chemical formula | Te4Br16 |
| Molar mass | 1788.9 g mol−1 |
| Appearance | orange crystals |
| Density | 4.31 g cm−3 |
| Melting point |
380 °C |
| Boiling point |
421 °C decomp. |
| Hazards[2] | |
| PEL (U.S.) | 0.1 mg m−3 TWA (as Te) |
| Related compounds | |
| Other anions | Tellurium tetrafluoride Tellurium tetrachloride Tellurium tetraiodide |
| Other cations | Selenium tetrabromide Polonium tetrabromide |
| Other compounds | Ditellurium monobromide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Tellurium tetrabromide, TeBr4, is the highest of the bromides of tellurium. It finds limited use in organic synthesis.[3][4]
Notes and references
Notes
References
- ↑ 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.
- ↑ "Tellurium compounds (as Te)" in 29 C.F.R. § 1910.1000 Table Z-1, 54 FR 36767, September 5, 1989, as amended. Tellurium. In Pocket Guide to Chemical Hazards; U.S. Department of Health and Human Services (NIOSH) Publication No. 2005-149; Government Printing Office: Washington, DC, 2005. ISBN 9780160727511, <http://www.cdc.gov/niosh/npg/npgd0587.html>.
- ↑ Leonard, J. J.; Kao, J. Tellurium catalyzed decomposition of peroxide intermediates resulting from the autoxidation of unsaturated aldehydes. US Patent 4124633, published 7 November 1978. Sheng, M. N.; Kao, J. (Atlantic Richfield) Phenyl acetic acid preparation. US Patent 4237314, published 2 December 1980.
- ↑ Comasseto, João V.; Barrientos-Astigarraga, Rafael E. Add a Little Tellurium to Your Synthetic Plans!. Aldrichimica Acta 2000, 33 (2), 66–78, <https://www.sigmaaldrich.com/etc/medialib/docs/Aldrich/Acta/al_acta_33_2.Par.0001.File.tmp/al_acta_33_2.pdf#page=40>.
Further reading
- Sadekov, Igor D.; Rybalkina, L. E.; Movshovich, David Ya.; Bulgarevich, Sergey B.; Kogan, Victor A. The structure and the electron-donating and electron-accepting properties of tellurium tetrahalides and halogen-containing σ-telluranes. Russ. Chem. Rev. 1991, 60 (6), 628–42. DOI: 10.1070/RC1991v060n06ABEH001098.
External links
- WebElements
- Tellurium: UK Poison Information Document
- Tellurium, NIOSH Pocket Guide to Chemical Hazards
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