Properties of eicosanoic acid

Thermophysical properties for eicosanoic acid (CAS: 506-30-9). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    C: 20, H: 40, O: 2
  • CAS
    506-30-9
  • Formula
    C20H40O2
  • ID
    506-30-9
  • InChI
    C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)
  • InChI Key
    VKOBVWXKNCXXDE-UHFFFAOYSA-N
  • IUPAC Name
    icosanoic acid
  • Molecular Weight (kg)
    312.53
  • Phase
    s
  • PubChem ID
    1.0467e+4
  • SMILES
    CCCCCCCCCCCCCCCCCCCC(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    1.087
  • Critical pressure (bar)
    12
  • Critical temperature (°C)
    546.85
  • Critical volume (m³/kmol)
    1.346
  • Dipole moment
  • Melting temperature (°C)
    75
  • Normal boiling temperature (°C)
    400

State-dependent Properties

  • API gravity
    53.2766
  • Compressibility factor
    0.0149389
  • Density (kg/m³)
    855.106
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    411.067
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.2847e+5
  • 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))
    545.1
  • Molar volume (m³/kmol)
    0.365487
  • Parachor
    1.7938e-4
  • Poynting correction factor
    1.01689
  • Prandtl number
  • Saturation pressure (bar)
    5.8197e-10
  • Saturation temperature (°C)
    397.034
  • Solubility parameter
    1.7533e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.855947
  • Specific heat capacity (kJ/kg·K)
    1.74415
  • Surface tension
    0.0343038
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0342352
  • Upper flammability limit
    0.339302

Environmental Properties

  • Global warming potential
  • Ozone depletion potential