Properties of ytterbium

Thermophysical properties for ytterbium (CAS: 7440-64-4). 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
    Yb: 1
  • CAS
    7440-64-4
  • Formula
    Yb
  • ID
    7440-64-4
  • InChI
    Yb
  • InChI Key
    NAWDYIZEMPQZHO-UHFFFAOYSA-N
  • IUPAC Name
    ytterbium
  • Molecular Weight (kg)
    173.054
  • Phase
    s
  • PubChem ID
    2.3992e+4
  • SMILES
    [Yb]
  • Synonyms

Physical Properties

  • Acentric factor
    7.1561e-7
  • Critical pressure (bar)
    3380.9
  • Critical temperature (°C)
    4092.77
  • Critical volume (m³/kmol)
    0.03221
  • Dipole moment
  • Melting temperature (°C)
    824
  • Normal boiling temperature (°C)
    1196

State-dependent Properties

  • API gravity
    -108.738
  • Compressibility factor
    0.00102513
  • Density (kg/m³)
    6900
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    1191.98
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.0628e+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))
    26.7
  • Molar volume (m³/kmol)
    0.0250803
  • Parachor
    3.1404e-5
  • Poynting correction factor
    1.00114
  • Prandtl number
  • Saturation pressure (bar)
    3.6137e-33
  • Saturation temperature (°C)
    1469.62
  • Solubility parameter
    8.5521e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    6.90679
  • Specific heat capacity (kJ/kg·K)
    0.154287
  • Surface tension
    1.60591
  • Thermal conductivity
    34.9001
  • 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