Properties of methylsilane

Thermophysical properties for methylsilane (CAS: 992-94-9). Use the selector below to view properties in different unit systems.

Calculation Conditions

The following state-dependent properties were calculated at these standard conditions.

Temperature

25 °C

Pressure

1.01325 bar

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Identification

  • Atoms
    C: 1, H: 6, Si: 1
  • CAS
    992-94-9
  • Formula
    CH6Si
  • ID
    992-94-9
  • InChI
    CH6Si/c1-2/h1-2H3
  • InChI Key
    UIUXUFNYAYAMOE-UHFFFAOYSA-N
  • IUPAC Name
    methylsilane
  • Molecular Weight (kg)
    46.1438
  • Phase
    g
  • PubChem ID
    7.0434e+4
  • SMILES
    C[SiH3]
  • Synonyms

Physical Properties

  • Acentric factor
    0.139
  • Critical pressure (bar)
    47
  • Critical temperature (°C)
    79.25
  • Critical volume (m³/kmol)
    0.205
  • Dipole moment
    0.74
  • Melting temperature (°C)
    -156.5
  • Normal boiling temperature (°C)
    -57.5

State-dependent Properties

  • API gravity
    149.049
  • Compressibility factor
    1
  • Density (kg/m³)
    1.88609
  • Dynamic viscosity (cP)
    0.00907044
  • Enthalpy of vaporization (mass) (kJ)
    278.803
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.2865e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    1.4657e-13
  • Kinematic viscosity
    4.8091e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    59.7521
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
    2.5120e-5
  • Poynting correction factor
    0.946493
  • Prandtl number
    0.730262
  • Saturation pressure (bar)
    15.3679
  • Saturation temperature (°C)
    -57.0877
  • Solubility parameter
    1.0458e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.59238
  • Specific heat capacity (kJ/kg·K)
    1.29491
  • Surface tension
    0.00481979
  • Thermal conductivity
    0.0160838
  • Thermal diffusivity
    6.5855e-6

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0426357
  • Upper flammability limit
    0.271318

Environmental Properties

  • Global warming potential
  • Ozone depletion potential