Properties of p-benzoquinone

Thermophysical properties for p-benzoquinone (CAS: 106-51-4). 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
    C: 6, H: 4, O: 2
  • CAS
    106-51-4
  • Formula
    C6H4O2
  • ID
    106-51-4
  • InChI
    C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
  • InChI Key
    AZQWKYJCGOJGHM-UHFFFAOYSA-N
  • IUPAC Name
    cyclohexa-2,5-diene-1,4-dione
  • Molecular Weight (kg)
    108.095
  • Phase
    s
  • PubChem ID
    4650
  • SMILES
    C1=CC(=O)C=CC1=O
  • Synonyms

Physical Properties

  • Acentric factor
    0.495
  • Critical pressure (bar)
    59.6
  • Critical temperature (°C)
    409.85
  • Critical volume (m³/kmol)
    0.291
  • Dipole moment
  • Melting temperature (°C)
    114
  • Normal boiling temperature (°C)
    180

State-dependent Properties

  • API gravity
    -1.78794
  • Compressibility factor
    0.00350485
  • Density (kg/m³)
    1260.62
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    502.24
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.4289e+4
  • 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))
    129
  • Molar volume (m³/kmol)
    0.0857476
  • Parachor
    4.6530e-5
  • Poynting correction factor
    1.00406
  • Prandtl number
  • Saturation pressure (bar)
    0.00110181
  • Saturation temperature (°C)
    180.89
  • Solubility parameter
    2.2855e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.26186
  • Specific heat capacity (kJ/kg·K)
    1.1934
  • Surface tension
    0.0476505
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    93.3333
  • Lower flammability limit
    0.0188808
  • Upper flammability limit
    0.104731

Environmental Properties

  • Global warming potential
  • Ozone depletion potential