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Properties of triphenylphosphine

Thermophysical properties for triphenylphosphine (CAS: 603-35-0). 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: 18, H: 15, P: 1
  • CAS
    603-35-0
  • Formula
    C18H15P
  • ID
    603-35-0
  • InChI
    C18H15P/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
  • InChI Key
    RIOQSEWOXXDEQQ-UHFFFAOYSA-N
  • IUPAC Name
    triphenylphosphane
  • Molecular Weight (kg)
    262.285
  • Phase
    s
  • PubChem ID
    1.1776e+4
  • SMILES
    C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3
  • Synonyms

Physical Properties

  • Acentric factor
    0.452
  • Critical pressure (bar)
    78.4
  • Critical temperature (°C)
    734.85
  • Critical volume (m³/kmol)
    0.554
  • Dipole moment
  • Melting temperature (°C)
    80
  • Normal boiling temperature (°C)
    377

State-dependent Properties

  • API gravity
    -40.2158
  • Compressibility factor
    0.00618384
  • Density (kg/m³)
    1733.66
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    374.624
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9.8258e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    312.5
  • Molar volume (m³/kmol)
    0.15129
  • Parachor
    7.7697e-5
  • Poynting correction factor
    1.00697
  • Prandtl number
  • Saturation pressure (bar)
    7.2495e-9
  • Saturation temperature (°C)
    377.125
  • Solubility parameter
    2.3744e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.73537
  • Specific heat capacity (kJ/kg·K)
    1.19145
  • Surface tension
    0.0425398
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    179.819
  • Lower flammability limit
    0.00526165
  • Upper flammability limit
    0.0334832

Environmental Properties

  • Global warming potential
  • Ozone depletion potential