Trisilane
|  | |||
| Names | |||
|---|---|---|---|
| IUPAC name Trisilane | |||
| Identifiers | |||
| 3D model (JSmol) | |||
| ChemSpider | |||
| ECHA InfoCard | 100.132.113 | ||
| EC Number | 
 | ||
| PubChem CID | |||
| UNII | |||
| UN number | 3194 | ||
| CompTox Dashboard (EPA) | |||
| 
 | |||
| 
 | |||
| 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.