Properties of trisilane

Thermophysical properties for trisilane (CAS: 7783-26-8). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    H: 8, Si: 3
  • CAS
    7783-26-8
  • Formula
    H8Si3
  • ID
    7783-26-8
  • InChI
    H8Si3/c1-3-2/h3H2,1-2H3
  • InChI Key
    VEDJZFSRVVQBIL-UHFFFAOYSA-N
  • IUPAC Name
    disilylsilane
  • Molecular Weight (kg)
    92.32
  • Phase
    l
  • PubChem ID
    1.3907e+5
  • SMILES
    [SiH3][SiH2][SiH3]
  • Synonyms

Physical Properties

  • Acentric factor
    0.07
  • Critical pressure (bar)
    36.67
  • Critical temperature (°C)
    222.75
  • Critical volume (m³/kmol)
    0.33
  • Dipole moment
  • Melting temperature (°C)
    -117.4
  • Normal boiling temperature (°C)
    52.9

State-dependent Properties

  • API gravity
    59.7509
  • Compressibility factor
    0.00510535
  • Density (kg/m³)
    739.126
  • Dynamic viscosity (cP)
    0.211695
  • Enthalpy of vaporization (mass) (kJ)
    247.258
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.2827e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -9.5294e-7
  • Kinematic viscosity
    2.8641e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    130.978
  • Molar volume (m³/kmol)
    0.124904
  • Parachor
    4.4080e-5
  • Poynting correction factor
    1.00327
  • Prandtl number
    2.77281
  • Saturation pressure (bar)
    0.365407
  • Saturation temperature (°C)
    53.9085
  • Solubility parameter
    1.2764e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.739853
  • Specific heat capacity (kJ/kg·K)
    1.41874
  • Surface tension
    0.0151974
  • Thermal conductivity
    0.108316
  • Thermal diffusivity
    1.0329e-7

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