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Properties of triethyl phosphate

Thermophysical properties for triethyl phosphate (CAS: 78-40-0). 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: 6, H: 15, O: 4, P: 1
  • CAS
    78-40-0
  • Formula
    C6H15O4P
  • ID
    78-40-0
  • InChI
    C6H15O4P/c1-4-8-11(7,9-5-2)10-6-3/h4-6H2,1-3H3
  • InChI Key
    DQWPFSLDHJDLRL-UHFFFAOYSA-N
  • IUPAC Name
    triethyl phosphate
  • Molecular Weight (kg)
    182.155
  • Phase
    l
  • PubChem ID
    6535
  • SMILES
    CCOP(=O)(OCC)OCC
  • Synonyms

Physical Properties

  • Acentric factor
    0.414
  • Critical pressure (bar)
    68.4
  • Critical temperature (°C)
    483.85
  • Critical volume (m³/kmol)
    0.586
  • Dipole moment
  • Melting temperature (°C)
    -56.2
  • Normal boiling temperature (°C)
    216

State-dependent Properties

  • API gravity
    12.8523
  • Compressibility factor
    0.00764276
  • Density (kg/m³)
    974.176
  • Dynamic viscosity (cP)
    1.1284
  • Enthalpy of vaporization (mass) (kJ)
    345.219
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.2883e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.2682e-7
  • Kinematic viscosity
    1.1583e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    295.614
  • Molar volume (m³/kmol)
    0.186983
  • Parachor
    7.8156e-5
  • Poynting correction factor
    1.00767
  • Prandtl number
    13.8199
  • Saturation pressure (bar)
    5.3840e-4
  • Saturation temperature (°C)
    212.023
  • Solubility parameter
    1.7973e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.975135
  • Specific heat capacity (kJ/kg·K)
    1.62287
  • Surface tension
    0.0296008
  • Thermal conductivity
    0.132509
  • Thermal diffusivity
    8.3815e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0145157
  • Upper flammability limit
    0.0923727

Environmental Properties

  • Global warming potential
  • Ozone depletion potential