Properties of radon

Thermophysical properties for radon (CAS: 10043-92-2). 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
    Rn: 1
  • CAS
    10043-92-2
  • Formula
    Rn
  • ID
    10043-92-2
  • InChI
    Rn
  • InChI Key
    SYUHGPGVQRZVTB-UHFFFAOYSA-N
  • IUPAC Name
    radon
  • Molecular Weight (kg)
    222
  • Phase
    g
  • PubChem ID
    2.4857e+4
  • SMILES
    [Rn]
  • Synonyms

Physical Properties

  • Acentric factor
    -0.222154
  • Critical pressure (bar)
    62.8215
  • Critical temperature (°C)
    103.85
  • Critical volume (m³/kmol)
    0.1376
  • Dipole moment
  • Melting temperature (°C)
    -71
  • Normal boiling temperature (°C)
    -61.7

State-dependent Properties

  • API gravity
    -90.7096
  • Compressibility factor
    1
  • Density (kg/m³)
    9.07404
  • Dynamic viscosity (cP)
    0.0263968
  • Enthalpy of vaporization (mass) (kJ)
    41.3037
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9169.43
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    4.2132e-13
  • Kinematic viscosity
    2.9090e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    20.786
  • Molar volume (m³/kmol)
    24.4654
  • Parachor
    1.8996e-5
  • Poynting correction factor
    0.929528
  • Prandtl number
    0.588221
  • Saturation pressure (bar)
    28.555
  • Saturation temperature (°C)
    -63.3487
  • Solubility parameter
    1.0085e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    7.66103
  • Specific heat capacity (kJ/kg·K)
    0.0936306
  • Surface tension
    0.00688225
  • Thermal conductivity
    0.00420174
  • Thermal diffusivity
    4.9455e-6

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential