Properties of phosphorus

Thermophysical properties for phosphorus (CAS: 7723-14-0). 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
    P: 1
  • CAS
    7723-14-0
  • Formula
    P
  • ID
    7723-14-0
  • InChI
    P
  • InChI Key
    OAICVXFJPJFONN-UHFFFAOYSA-N
  • IUPAC Name
    phosphorus
  • Molecular Weight (kg)
    30.9738
  • Phase
    l
  • PubChem ID
    5.4623e+6
  • SMILES
    [P]
  • Synonyms

Physical Properties

  • Acentric factor
    0.032
  • Critical pressure (bar)
    83.29
  • Critical temperature (°C)
    720.85
  • Critical volume (m³/kmol)
    0.29762
  • Dipole moment
    0
  • Melting temperature (°C)
    -44.45
  • Normal boiling temperature (°C)
    280.5

State-dependent Properties

  • API gravity
    299.345
  • Compressibility factor
    0.0038752
  • Density (kg/m³)
    326.699
  • Dynamic viscosity (cP)
    0.338885
  • Enthalpy of vaporization (mass) (kJ)
    1626.53
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.0380e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.1109e-6
  • Kinematic viscosity
    1.0373e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    26.326
  • Molar volume (m³/kmol)
    0.0948083
  • Parachor
    4.7452e-5
  • Poynting correction factor
    1.00388
  • Prandtl number
    0.523248
  • Saturation pressure (bar)
    6.0304e-5
  • Saturation temperature (°C)
    280.279
  • Solubility parameter
    2.2478e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.32702
  • Specific heat capacity (kJ/kg·K)
    0.849946
  • Surface tension
    0.0617855
  • Thermal conductivity
    0.550473
  • Thermal diffusivity
    1.9824e-6

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.059432
  • Upper flammability limit
    0.19077

Environmental Properties

  • Global warming potential
  • Ozone depletion potential