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Properties of oleic acid

Thermophysical properties for oleic acid (CAS: 112-80-1). 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: 18, H: 34, O: 2
  • CAS
    112-80-1
  • Formula
    C18H34O2
  • ID
    112-80-1
  • InChI
    C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-
  • InChI Key
    ZQPPMHVWECSIRJ-KTKRTIGZSA-N
  • IUPAC Name
    (z)-octadec-9-enoic acid
  • Molecular Weight (kg)
    282.461
  • Phase
    l
  • PubChem ID
    4.4564e+5
  • SMILES
    CCCCCCCC/C=C\CCCCCCCC(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    1.182
  • Critical pressure (bar)
    13.9
  • Critical temperature (°C)
    507.85
  • Critical volume (m³/kmol)
    1
  • Dipole moment
    1.44
  • Melting temperature (°C)
    14
  • Normal boiling temperature (°C)
    360

State-dependent Properties

  • API gravity
    20.6893
  • Compressibility factor
    0.0124726
  • Density (kg/m³)
    925.655
  • Dynamic viscosity (cP)
    0.940041
  • Enthalpy of vaporization (mass) (kJ)
    449.25
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.2690e+5
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.9436e-7
  • Kinematic viscosity
    1.0155e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    548.917
  • Molar volume (m³/kmol)
    0.305147
  • Parachor
    1.3074e-4
  • Poynting correction factor
    1.01255
  • Prandtl number
    12.3616
  • Saturation pressure (bar)
    3.1912e-9
  • Saturation temperature (°C)
    360.905
  • Solubility parameter
    2.0192e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.926566
  • Specific heat capacity (kJ/kg·K)
    1.94334
  • Surface tension
    0.0320432
  • Thermal conductivity
    0.147781
  • Thermal diffusivity
    8.2153e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    188.85
  • Lower flammability limit
    0.0246711
  • Upper flammability limit
    0.23916

Environmental Properties

  • Global warming potential
  • Ozone depletion potential