Properties of trimethyl phosphate

Thermophysical properties for trimethyl phosphate (CAS: 512-56-1). 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
    C: 3, H: 9, O: 4, P: 1
  • CAS
    512-56-1
  • Formula
    C3H9O4P
  • ID
    512-56-1
  • InChI
    C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3
  • InChI Key
    WVLBCYQITXONBZ-UHFFFAOYSA-N
  • IUPAC Name
    trimethyl phosphate
  • Molecular Weight (kg)
    140.075
  • Phase
    l
  • PubChem ID
    1.0541e+4
  • SMILES
    COP(=O)(OC)OC
  • Synonyms

Physical Properties

  • Acentric factor
    0.489
  • Critical pressure (bar)
    83.7
  • Critical temperature (°C)
    455.85
  • Critical volume (m³/kmol)
    0.277
  • Dipole moment
  • Melting temperature (°C)
    -46
  • Normal boiling temperature (°C)
    197.2

State-dependent Properties

  • API gravity
    -42.7576
  • Compressibility factor
    0.00361372
  • Density (kg/m³)
    1584.36
  • Dynamic viscosity (cP)
    1.19311
  • Enthalpy of vaporization (mass) (kJ)
    460.538
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.4510e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.6277e-7
  • Kinematic viscosity
    7.5306e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    201.564
  • Molar volume (m³/kmol)
    0.0884111
  • Parachor
    3.8894e-5
  • Poynting correction factor
    1.00362
  • Prandtl number
    12.0226
  • Saturation pressure (bar)
    0.00125768
  • Saturation temperature (°C)
    192.405
  • Solubility parameter
    2.6488e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.58592
  • Specific heat capacity (kJ/kg·K)
    1.43897
  • Surface tension
    0.0369144
  • Thermal conductivity
    0.142802
  • Thermal diffusivity
    6.2637e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.033394
  • Upper flammability limit
    0.212508

Environmental Properties

  • Global warming potential
  • Ozone depletion potential