Properties of hafnium oxide

Thermophysical properties for hafnium oxide (CAS: 12055-23-1). 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
    Hf: 1, O: 2
  • CAS
    12055-23-1
  • Formula
    HfO2
  • ID
    12055-23-1
  • InChI
    Hf.2O
  • InChI Key
    CJNBYAVZURUTKZ-UHFFFAOYSA-N
  • IUPAC Name
    dioxohafnium
  • Molecular Weight (kg)
    210.489
  • Phase
    s
  • PubChem ID
    2.9278e+5
  • SMILES
    [Hf].[O].[O]
  • Synonyms

Physical Properties

  • Acentric factor
    3
  • Critical pressure (bar)
    1253.02
  • Critical temperature (°C)
    6906.9
  • Critical volume (m³/kmol)
    0
  • Dipole moment
  • Melting temperature (°C)
    2800
  • Normal boiling temperature (°C)
    5400

State-dependent Properties

  • API gravity
    -131.138
  • Compressibility factor
    8.8880e-4
  • Density (kg/m³)
    9679.94
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
  • 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))
    60.3
  • Molar volume (m³/kmol)
    0.0217448
  • Parachor
  • Poynting correction factor
  • Prandtl number
  • Saturation pressure (bar)
    0
  • Saturation temperature (°C)
    5068.74
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    9.68947
  • Specific heat capacity (kJ/kg·K)
    0.286476
  • Surface tension
  • 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