Methylsilane

Methylsilane is the organosilicon compound with the formula CH3SiH3. It is a colorless gas that ignites in air. It can be prepared by reduction of methyltrichlorosilane with lithium aluminium hydride.[2] It has been investigated as a precursor to silicon carbide.[3]

Methylsilane
Skeletal formula
Ball-and-stick model
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.362
EC Number
  • 213-598-5
  • InChI=1S/CH6Si/c1-2/h1-2H3
    Key: UIUXUFNYAYAMOE-UHFFFAOYSA-N
  • C[SiH3]
Properties
CH6Si
Molar mass 46.14 g/mol
Appearance Colorless gas[1]
Density 0.628 g cm−3
Melting point −157 °C (−251 °F; 116 K)
Boiling point −57 °C (−71 °F; 216 K)
Hazards
GHS labelling:
GHS02: FlammableGHS04: Compressed GasGHS07: Exclamation mark
Danger
H220, H280, H312, H315, H319, H332, H335, H336
P210, P261, P264, P271, P280, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P332+P313, P337+P313, P362, P363, P377, P381, P403, P403+P233, P405, P410+P403, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Methylsilane has been the subject of extensive theoretical analysis.[4]

References

  1. MSDS from Matheson Tri-Gas
  2. Tannenbaum, Stanley; Kaye, Samuel; Lewenz, George F. (1953). "Synthesis and Properties of Some Alkylsilanes". Journal of the American Chemical Society. 75 (15): 3753–3757. doi:10.1021/ja01111a043.
  3. Hurwitz, F. I.; Kacik, T. A.; Bu, Xin-Ya; Masnovi, J.; Heimann, P. J.; Beyene, K. (1995). "Pyrolytic conversion of methyl- and vinylsilane polymers to Si-C ceramics". Journal of Materials Science. 30 (12): 3130–3136. doi:10.1007/BF01209227. S2CID 97973689.
  4. Nguyen, Kiet A.; Gordon, Mark S.; Raghavachari, Krishnan (1994). "Mechanisms and Energetics of the Reaction of Si+ with CH3-SiH3". The Journal of Physical Chemistry. 98 (27): 6704. doi:10.1021/j100078a010.
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