Properties of silane

Thermophysical properties for silane (CAS: 7803-62-5). 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
    H: 4, Si: 1
  • CAS
    7803-62-5
  • Formula
    H4Si
  • ID
    7803-62-5
  • InChI
    H4Si/h1H4
  • InChI Key
    BLRPTPMANUNPDV-UHFFFAOYSA-N
  • IUPAC Name
    silane
  • Molecular Weight (kg)
    32.1173
  • Phase
    g
  • PubChem ID
    2.3953e+4
  • SMILES
    [SiH4]
  • Synonyms

Physical Properties

  • Acentric factor
    0.1599
  • Critical pressure (bar)
    48.5549
  • Critical temperature (°C)
    -4.15
  • Critical volume (m³/kmol)
    0.1327
  • Dipole moment
    0
  • Melting temperature (°C)
    -185
  • Normal boiling temperature (°C)
    -111.9

State-dependent Properties

  • API gravity
    452.565
  • Compressibility factor
    1
  • Density (kg/m³)
    1.31276
  • Dynamic viscosity (cP)
    0.0116913
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    2.0451e-13
  • Kinematic viscosity
    8.9059e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    42.8216
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
  • Poynting correction factor
    0.647272
  • Prandtl number
    0.716837
  • Saturation pressure (bar)
    82.273
  • Saturation temperature (°C)
    -111.544
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.10834
  • Specific heat capacity (kJ/kg·K)
    1.33329
  • Surface tension
  • Thermal conductivity
    0.0217453
  • Thermal diffusivity
    1.2424e-5

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential