Properties of chlorine

Thermophysical properties for chlorine (CAS: 7782-50-5). 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
    Cl: 2
  • CAS
    7782-50-5
  • Formula
    Cl2
  • ID
    7782-50-5
  • InChI
    Cl2/c1-2
  • InChI Key
    KZBUYRJDOAKODT-UHFFFAOYSA-N
  • IUPAC Name
    molecular chlorine
  • Molecular Weight (kg)
    70.906
  • Phase
    g
  • PubChem ID
    2.4526e+4
  • SMILES
    ClCl
  • Synonyms

Physical Properties

  • Acentric factor
    0.07
  • Critical pressure (bar)
    76.424
  • Critical temperature (°C)
    143.715
  • Critical volume (m³/kmol)
    0.124069
  • Dipole moment
    0
  • Melting temperature (°C)
    -101
  • Normal boiling temperature (°C)
    -33.9524

State-dependent Properties

  • API gravity
    -32.0695
  • Compressibility factor
    1
  • Density (kg/m³)
    2.89822
  • Dynamic viscosity (cP)
    0.0135302
  • Enthalpy of vaporization (mass) (kJ)
    247.933
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.7580e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    2.5806e-13
  • Kinematic viscosity
    4.6684e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    33.937
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
    1.8054e-5
  • Poynting correction factor
    0.986244
  • Prandtl number
    0.646388
  • Saturation pressure (bar)
    7.75763
  • Saturation temperature (°C)
    -33.9524
  • Solubility parameter
    1.7223e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    2.44691
  • Specific heat capacity (kJ/kg·K)
    0.47862
  • Surface tension
    0.0156825
  • Thermal conductivity
    0.0100185
  • Thermal diffusivity
    7.2224e-6

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    -0.318433
  • Upper flammability limit
    0.241452

Environmental Properties

  • Global warming potential
  • Ozone depletion potential