Trisilane
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| Names | |||
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| IUPAC name
Trisilane | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.132.113 | ||
| EC Number |
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PubChem CID |
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| UNII | |||
| UN number | 3194 | ||
CompTox Dashboard (EPA) |
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| Properties | |||
| H8Si3 | |||
| Molar mass | 92.319 g·mol−1 | ||
| Appearance | Colourless liquid | ||
| Odor | Unpleasant | ||
| Density | 0.743 g cm−3 | ||
| Melting point | −117 °C (−179 °F; 156 K) | ||
| Boiling point | 53 °C (127 °F; 326 K) | ||
| Slowly decomposes | |||
| Vapor pressure | 12.7 kPa | ||
| Hazards | |||
| Occupational safety and health (OHS/OSH): | |||
Main hazards |
Pyrophoric | ||
| GHS labelling: | |||
| Danger | |||
| H250, H261, H315, H319, H335 | |||
| P210, P222, P231+P232, P261, P264, P271, P280, P302+P334, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P402+P404, P403+P233, P405, P422, P501 | |||
| Flash point | < −40 °C (−40 °F; 233 K) | ||
| < 50 °C (122 °F; 323 K) | |||
| Related compounds | |||
Related hydrosilicons |
Disilane Disilyne Silane Silylene | ||
Related compounds |
Propane | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
Trisilane is the silane with the formula H2Si(SiH3)2. A liquid at standard temperature and pressure, it is a silicon analogue of propane. In contrast with propane, however, trisilane ignites spontaneously in air.