Properties of isophorone

Thermophysical properties for isophorone (CAS: 78-59-1). 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
    C: 9, H: 14, O: 1
  • CAS
    78-59-1
  • Formula
    C9H14O
  • ID
    78-59-1
  • InChI
    C9H14O/c1-7-4-8(10)6-9(2,3)5-7/h4H,5-6H2,1-3H3
  • InChI Key
    HJOVHMDZYOCNQW-UHFFFAOYSA-N
  • IUPAC Name
    3,5,5-trimethylcyclohex-2-en-1-one
  • Molecular Weight (kg)
    138.207
  • Phase
    l
  • PubChem ID
    6544
  • SMILES
    CC1=CC(=O)CC(C1)(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.4
  • Critical pressure (bar)
    30.9
  • Critical temperature (°C)
    434.45
  • Critical volume (m³/kmol)
    0.484
  • Dipole moment
  • Melting temperature (°C)
    -8
  • Normal boiling temperature (°C)
    214.8

State-dependent Properties

  • API gravity
    27.6162
  • Compressibility factor
    0.00639668
  • Density (kg/m³)
    883.125
  • Dynamic viscosity (cP)
    0.539294
  • Enthalpy of vaporization (mass) (kJ)
    406.707
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.6210e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.9450e-7
  • Kinematic viscosity
    6.1067e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    255.968
  • Molar volume (m³/kmol)
    0.156497
  • Parachor
    6.7666e-5
  • Poynting correction factor
    1.00641
  • Prandtl number
    7.20509
  • Saturation pressure (bar)
    5.7819e-4
  • Saturation temperature (°C)
    215.309
  • Solubility parameter
    1.8529e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.883994
  • Specific heat capacity (kJ/kg·K)
    1.85207
  • Surface tension
    0.0340652
  • Thermal conductivity
    0.138625
  • Thermal diffusivity
    8.4755e-8

Safety Properties

  • Autoignition temperature (°C)
    460
  • Flash point temperature (°C)
    84
  • Lower flammability limit
    0.008
  • Upper flammability limit
    0.038

Environmental Properties

  • Global warming potential
  • Ozone depletion potential