Silicon tetrahydride
- CAS:7803-62-5
- MF:H4Si
- MW:32.12
- EINECS:232-263-4
- Melting point::
- -185 °C
- Boiling point::
- -112 °C
- Density :
- 1.114 g/mL at 25 °C(lit.)
- vapor density :
- 1.1 (vs air)
- vapor pressure :
- 100kPa at 20℃
- solubility :
- reacts with H2O; insoluble in ethanol,benzene
- form :
- colorless gas
- color :
- colorless gas; flammable
- Specific Gravity:
- 0.680
- Odor:
- repulsive odor
- Water Solubility :
- decomposed by H2O; insoluble alcohol, benzene [HAW93]
- Hydrolytic Sensitivity:
- 10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required
- Merck :
- 13,8562
- Exposure limits:
- TLV-TWA 5 ppm (6.5 mg/m3) (ACGIH).


