Properties of tetrasilane

Thermophysical properties for tetrasilane (CAS: 7783-29-1). 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: 10, Si: 4
  • CAS
    7783-29-1
  • Formula
    H10Si4
  • ID
    7783-29-1
  • InChI
    H10Si4/c1-3-4-2/h3-4H2,1-2H3
  • InChI Key
    MBDFFBCLMHNNID-UHFFFAOYSA-N
  • IUPAC Name
    disilanyl(silyl)silane
  • Molecular Weight (kg)
    122.421
  • Phase
    l
  • PubChem ID
    1.3907e+5
  • SMILES
    [SiH3][SiH2][SiH2][SiH3]
  • Synonyms

Physical Properties

  • Acentric factor
    0.037
  • Critical pressure (bar)
    31.81
  • Critical temperature (°C)
    297.45
  • Critical volume (m³/kmol)
    0.427
  • Dipole moment
  • Melting temperature (°C)
    -89.9
  • Normal boiling temperature (°C)
    108.1

State-dependent Properties

  • API gravity
    46.9491
  • Compressibility factor
    0.00631672
  • Density (kg/m³)
    792.161
  • Dynamic viscosity (cP)
    0.248952
  • Enthalpy of vaporization (mass) (kJ)
    216.459
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.6499e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -9.1851e-7
  • Kinematic viscosity
    3.1427e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    168.228
  • Molar volume (m³/kmol)
    0.154541
  • Parachor
    5.6797e-5
  • Poynting correction factor
    1.00511
  • Prandtl number
    3.07601
  • Saturation pressure (bar)
    0.195554
  • Saturation temperature (°C)
    78.9203
  • Solubility parameter
    1.2467e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.792941
  • Specific heat capacity (kJ/kg·K)
    1.37417
  • Surface tension
    0.0177874
  • Thermal conductivity
    0.111217
  • Thermal diffusivity
    1.0217e-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