Properties of dimethylsilane

Thermophysical properties for dimethylsilane (CAS: 1111-74-6). 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: 2, H: 8, Si: 1
  • CAS
    1111-74-6
  • Formula
    C2H8Si
  • ID
    1111-74-6
  • InChI
    C2H8Si/c1-3-2/h3H2,1-2H3
  • InChI Key
    UBHZUDXTHNMNLD-UHFFFAOYSA-N
  • IUPAC Name
    dimethylsilane
  • Molecular Weight (kg)
    60.1704
  • Phase
    g
  • PubChem ID
    6.6185e+4
  • SMILES
    C[SiH2]C
  • Synonyms

Physical Properties

  • Acentric factor
    0.13
  • Critical pressure (bar)
    35.6
  • Critical temperature (°C)
    128.85
  • Critical volume (m³/kmol)
    0.258
  • Dipole moment
    0.75
  • Melting temperature (°C)
    -150
  • Normal boiling temperature (°C)
    -20

State-dependent Properties

  • API gravity
    107.516
  • Compressibility factor
    1
  • Density (kg/m³)
    2.45941
  • Dynamic viscosity (cP)
    0.00836163
  • Enthalpy of vaporization (mass) (kJ)
    291.98
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.7569e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    1.0366e-13
  • Kinematic viscosity
    3.3999e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    84.4807
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
    3.2150e-5
  • Poynting correction factor
    0.986604
  • Prandtl number
    0.771735
  • Saturation pressure (bar)
    4.22563
  • Saturation temperature (°C)
    -19.7648
  • Solubility parameter
    1.2041e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    2.07643
  • Specific heat capacity (kJ/kg·K)
    1.40402
  • Surface tension
    0.0089516
  • Thermal conductivity
    0.0152124
  • Thermal diffusivity
    4.4055e-6

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0274451
  • Upper flammability limit
    0.174651

Environmental Properties

  • Global warming potential
  • Ozone depletion potential