Silicon tetrabromide
Silicon tetrabromide, also known as tetrabromosilane, is the inorganic compound with the formula SiBr4. This colorless liquid has a suffocating odor due to its tendency to hydrolyze with release of hydrogen bromide. The general properties of silicon tetrabromide closely resemble those of the more commonly used silicon tetrachloride.
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| Names | |||
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| IUPAC name
Silicon tetrabromide | |||
| Other names
Silicon bromide Silicon(IV) bromide | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.029.257 | ||
| EC Number |
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PubChem CID |
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| UNII | |||
| UN number | 3264 | ||
CompTox Dashboard (EPA) |
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| Properties | |||
| Br4Si | |||
| Molar mass | 347.701 g·mol−1 | ||
| Appearance | Colorless liquid | ||
| Density | 2.79 g·cm−3 | ||
| Melting point | 5 °C (41 °F; 278 K) | ||
| Boiling point | 153 °C (307 °F; 426 K) | ||
| −-128.6·10−6 cm3/mol | |||
Refractive index (nD) |
1.5685 | ||
| Hazards | |||
| GHS labelling: | |||
| Danger | |||
| H302, H312, H314, H332, H335 | |||
| P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P403+P233, P405, P501 | |||
| NFPA 704 (fire diamond) | |||
| Related compounds | |||
Related tetrahalosilanes |
Silicon tetrachloride Silicon tetrafluoride Silicon tetraiodide | ||
Related compounds |
Platinum(IV) bromide Tellurium tetrabromide Tetrabromomethane Tin(IV) bromide Titanium tetrabromide Zirconium(IV) bromide | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
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