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Properties of linolenic acid

Thermophysical properties for linolenic acid (CAS: 463-40-1). 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: 30, O: 2
  • CAS
    463-40-1
  • Formula
    C18H30O2
  • ID
    463-40-1
  • InChI
    C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10H,2,5,8,11-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-
  • InChI Key
    DTOSIQBPPRVQHS-PDBXOOCHSA-N
  • IUPAC Name
    (9z,12z,15z)-octadeca-9,12,15-trienoic acid
  • Molecular Weight (kg)
    278.43
  • Phase
    l
  • PubChem ID
    5.2809e+6
  • SMILES
    CC/C=C\C/C=C\C/C=C\CCCCCCCC(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    1.186
  • Critical pressure (bar)
    14.4
  • Critical temperature (°C)
    506.85
  • Critical volume (m³/kmol)
    1.07
  • Dipole moment
  • Melting temperature (°C)
    -16.5
  • Normal boiling temperature (°C)
    231

State-dependent Properties

  • API gravity
    33.7026
  • Compressibility factor
    0.0133459
  • Density (kg/m³)
    852.736
  • Dynamic viscosity (cP)
    0.956926
  • Enthalpy of vaporization (mass) (kJ)
    456.032
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.2697e+5
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.5139e-7
  • Kinematic viscosity
    1.1222e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    526.516
  • Molar volume (m³/kmol)
    0.326513
  • Parachor
    1.4500e-4
  • Poynting correction factor
    1.01344
  • Prandtl number
    11.4743
  • Saturation pressure (bar)
    2.9359e-10
  • Saturation temperature (°C)
    358.701
  • Solubility parameter
    1.9526e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.853575
  • Specific heat capacity (kJ/kg·K)
    1.89102
  • Surface tension
    0.0368618
  • Thermal conductivity
    0.157706
  • Thermal diffusivity
    9.7799e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0228136
  • Upper flammability limit
    0.219604

Environmental Properties

  • Global warming potential
  • Ozone depletion potential