Identifiers | |
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3D model (
JSmol)
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ChemSpider | |
ECHA InfoCard | 100.030.070 |
EC Number |
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PubChem
CID
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UNII | |
CompTox Dashboard (
EPA)
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Properties | |
TeBr4 | |
Molar mass | 447.22 g/mol |
Appearance | yellow-orange crystals |
Density | 4.3 g/cm3, solid |
Melting point | 388 °C (730 °F; 661 K) [1] |
Boiling point | decomposes at 420 °C (788 °F; 693 K) |
Structure | |
monoclinic | |
Hazards | |
GHS labelling: [2] | |
Danger | |
H301, H314 | |
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501 | |
Related compounds | |
Other
anions
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Tellurium tetrafluoride Tellurium tetrachloride Tellurium tetraiodide |
Other
cations
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Selenium tetrabromide |
Related compounds
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Ditellurium bromide |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Tellurium tetrabromide ( Te Br4) is an inorganic chemical compound. It has a similar tetrameric structure to TeCl4. [3] It can be made by reacting bromine and tellurium. [4] In the vapour TeBr4 dissociates: [3]
It is a conductor when molten, dissociating into the ions TeBr3+ and Br−. When dissolved in benzene and toluene, TeBr4 is present as the unionized tetramer Te4Br16. [3] In solvents with donor properties such as acetonitrile, CH3CN ionic complexes are formed which make the solution conducting: