Properties of 2-ethylhexanal

Thermophysical properties for 2-ethylhexanal (CAS: 123-05-7). 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: 8, H: 16, O: 1
  • CAS
    123-05-7
  • Formula
    C8H16O
  • ID
    123-05-7
  • InChI
    C8H16O/c1-3-5-6-8(4-2)7-9/h7-8H,3-6H2,1-2H3
  • InChI Key
    LGYNIFWIKSEESD-UHFFFAOYSA-N
  • IUPAC Name
    2-ethylhexanal
  • Molecular Weight (kg)
    128.212
  • Phase
    l
  • PubChem ID
    3.1241e+4
  • SMILES
    CCCCC(CC)C=O
  • Synonyms

Physical Properties

  • Acentric factor
    0.5195
  • Critical pressure (bar)
    25.8075
  • Critical temperature (°C)
    333.85
  • Critical volume (m³/kmol)
    0.473
  • Dipole moment
    2.66
  • Melting temperature (°C)
    -100
  • Normal boiling temperature (°C)
    161

State-dependent Properties

  • API gravity
    39.616
  • Compressibility factor
    0.00639284
  • Density (kg/m³)
    819.752
  • Dynamic viscosity (cP)
    0.448039
  • Enthalpy of vaporization (mass) (kJ)
    393.914
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.0504e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.3845e-7
  • Kinematic viscosity
    5.4655e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    268.084
  • Molar volume (m³/kmol)
    0.156403
  • Parachor
    6.4127e-5
  • Poynting correction factor
    1.0064
  • Prandtl number
    7.48951
  • Saturation pressure (bar)
    0.00257878
  • Saturation temperature (°C)
    161.075
  • Solubility parameter
    1.7523e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.820558
  • Specific heat capacity (kJ/kg·K)
    2.09094
  • Surface tension
    0.0275439
  • Thermal conductivity
    0.125085
  • Thermal diffusivity
    7.2976e-8

Safety Properties

  • Autoignition temperature (°C)
    185
  • Flash point temperature (°C)
    42
  • Lower flammability limit
    0.009
  • Upper flammability limit
    0.072

Environmental Properties

  • Global warming potential
  • Ozone depletion potential