Trisilane
- CAS NO.：7783-26-8
- Empirical Formula: H8Si3
- Molecular Weight: 92.32
- MDL number: MFCD03701375
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:35:43
What is Trisilane?
Chemical properties
colorless liquid; enthalpy of vaporization 28.38 kJ/mol; vapor pressure at (0°C) 95mm Hg; critical temp 189°C; reacts vigorously with CCl4 and CHCl3 [CIC73] [CRC10] [MER06]
Hazard
Explodes on contact with air, reacts violently with carbon tetrachloride and chloroform.
Properties of Trisilane
| Melting point: | -117.4° |
| Boiling point: | bp 52.9° |
| Density | d0 0.743 |
| refractive index | 1.4978 |
| solubility | reacts with H2O |
| form | flammable liquid |
| Specific Gravity | 0.7430 |
| color | flammable colorless liquid |
| Water Solubility | decomposed by H2O [MER06] |
| Hydrolytic Sensitivity | 10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required |
| EPA Substance Registry System | Trisilane (7783-26-8) |
Safety information for Trisilane
Computed Descriptors for Trisilane
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