Properties of thallium

Thermophysical properties for thallium (CAS: 7440-28-0). 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
    Tl: 1
  • CAS
    7440-28-0
  • Formula
    Tl
  • ID
    7440-28-0
  • InChI
    Tl
  • InChI Key
    BKVIYDNLLOSFOA-UHFFFAOYSA-N
  • IUPAC Name
    thallium
  • Molecular Weight (kg)
    204.383
  • Phase
    s
  • PubChem ID
    5.3595e+6
  • SMILES
    [Tl]
  • Synonyms

Physical Properties

  • Acentric factor
    0.343087
  • Critical pressure (bar)
    3554
  • Critical temperature (°C)
    4374.91
  • Critical volume (m³/kmol)
    0.03262
  • Dipole moment
  • Melting temperature (°C)
    304
  • Normal boiling temperature (°C)
    1473

State-dependent Properties

  • API gravity
    -118.884
  • Compressibility factor
    7.0795e-4
  • Density (kg/m³)
    1.1800e+4
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    2636.03
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.3876e+5
  • 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))
    33.9741
  • Molar volume (m³/kmol)
    0.0173203
  • Parachor
    1.5261e-5
  • Poynting correction factor
    1.00075
  • Prandtl number
  • Saturation pressure (bar)
    6.1354e-26
  • Solubility parameter
    1.7147e+5
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    11.8118
  • Specific heat capacity (kJ/kg·K)
    0.166227
  • Surface tension
    0.488604
  • Thermal conductivity
  • Thermal diffusivity

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

Failed Properties:

  • Saturation temperature (°C)Failed