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Properties of tetraethyl orthosilicate

Thermophysical properties for tetraethyl orthosilicate (CAS: 78-10-4). 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: 8, H: 20, O: 4, Si: 1
  • CAS
    78-10-4
  • Formula
    C8H20O4Si
  • ID
    78-10-4
  • InChI
    C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
  • InChI Key
    BOTDANWDWHJENH-UHFFFAOYSA-N
  • IUPAC Name
    tetraethyl silicate
  • Molecular Weight (kg)
    208.327
  • Phase
    l
  • PubChem ID
    6517
  • SMILES
    CCO[Si](OCC)(OCC)OCC
  • Synonyms

Physical Properties

  • Acentric factor
    0.6248
  • Critical pressure (bar)
    20.5
  • Critical temperature (°C)
    319.05
  • Critical volume (m³/kmol)
    0.7013
  • Dipole moment
  • Melting temperature (°C)
    -85
  • Normal boiling temperature (°C)
    168

State-dependent Properties

  • API gravity
    24.1517
  • Compressibility factor
    0.00944991
  • Density (kg/m³)
    901.087
  • Dynamic viscosity (cP)
    0.524328
  • Enthalpy of vaporization (mass) (kJ)
    256.258
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.3386e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.7535e-7
  • Kinematic viscosity
    5.8188e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    363.421
  • Molar volume (m³/kmol)
    0.231196
  • Parachor
    8.9041e-5
  • Poynting correction factor
    1.00947
  • Prandtl number
    6.89716
  • Saturation pressure (bar)
    0.00252334
  • Saturation temperature (°C)
    169.063
  • Solubility parameter
    1.4839e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.901973
  • Specific heat capacity (kJ/kg·K)
    1.74447
  • Surface tension
    0.0211806
  • Thermal conductivity
    0.132616
  • Thermal diffusivity
    8.4366e-8

Safety Properties

  • Autoignition temperature (°C)
    174
  • Flash point temperature (°C)
    38
  • Lower flammability limit
    0.0045
  • Upper flammability limit
    0.072

Environmental Properties

  • Global warming potential
  • Ozone depletion potential