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Properties of tributyl phosphate

Thermophysical properties for tributyl phosphate (CAS: 126-73-8). 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

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Identification

  • Atoms
    C: 12, H: 27, O: 4, P: 1
  • CAS
    126-73-8
  • Formula
    C12H27O4P
  • ID
    126-73-8
  • InChI
    C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3
  • InChI Key
    STCOOQWBFONSKY-UHFFFAOYSA-N
  • IUPAC Name
    tributyl phosphate
  • Molecular Weight (kg)
    266.314
  • Phase
    l
  • PubChem ID
    3.1357e+4
  • SMILES
    CCCCOP(=O)(OCCCC)OCCCC
  • Synonyms

Physical Properties

  • Acentric factor
    0.83475
  • Critical pressure (bar)
    15.23
  • Critical temperature (°C)
    443.55
  • Critical volume (m³/kmol)
    0.927
  • Dipole moment
  • Melting temperature (°C)
    -80
  • Normal boiling temperature (°C)
    289

State-dependent Properties

  • API gravity
    21.7832
  • Compressibility factor
    0.0118598
  • Density (kg/m³)
    917.834
  • Dynamic viscosity (cP)
    3.42448
  • Enthalpy of vaporization (mass) (kJ)
    322.25
  • Enthalpy of vaporization (molar) (kJ/kmol)
    8.5820e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -6.4766e-7
  • Kinematic viscosity
    3.7310e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    379.376
  • Molar volume (m³/kmol)
    0.290155
  • Parachor
    1.1939e-4
  • Poynting correction factor
    1.01193
  • Prandtl number
    38.2268
  • Saturation pressure (bar)
    9.0437e-6
  • Saturation temperature (°C)
    288.873
  • Solubility parameter
    1.6948e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.918738
  • Specific heat capacity (kJ/kg·K)
    1.42454
  • Surface tension
    0.0273249
  • Thermal conductivity
    0.127615
  • Thermal diffusivity
    9.7603e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    146.111
  • Lower flammability limit
    0.00681283
  • Upper flammability limit
    0.0433544

Environmental Properties

  • Global warming potential
  • Ozone depletion potential