Properties of 2-Ethyl-2-hexenal

Thermophysical properties for 2-Ethyl-2-hexenal (CAS: 645-62-5). 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: 8, H: 14, O: 1
  • CAS
    645-62-5
  • Formula
    C8H14O
  • ID
    645-62-5
  • InChI
    C8H14O/c1-3-5-6-8(4-2)7-9/h6-7H,3-5H2,1-2H3
  • InChI Key
    PYLMCYQHBRSDND-UHFFFAOYSA-N
  • IUPAC Name
    2-ethylhex-2-enal
  • Molecular Weight (kg)
    126.196
  • Phase
    l
  • PubChem ID
    1.2582e+4
  • SMILES
    CCCC=C(C=O)CC
  • Synonyms

Physical Properties

  • Acentric factor
    0.454
  • Critical pressure (bar)
    26.4
  • Critical temperature (°C)
    362.85
  • Critical volume (m³/kmol)
    0.461
  • Dipole moment
  • Melting temperature (°C)
    -70.27
  • Normal boiling temperature (°C)
    175

State-dependent Properties

  • API gravity
    37.1752
  • Compressibility factor
    0.00619925
  • Density (kg/m³)
    832.06
  • Dynamic viscosity (cP)
    0.444779
  • Enthalpy of vaporization (mass) (kJ)
    403.162
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.0877e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.8445e-7
  • Kinematic viscosity
    5.3455e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    240.795
  • Molar volume (m³/kmol)
    0.151667
  • Parachor
    6.3315e-5
  • Poynting correction factor
    1.00621
  • Prandtl number
    6.50047
  • Saturation pressure (bar)
    0.00183411
  • Saturation temperature (°C)
    175.562
  • Solubility parameter
    1.7864e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.832879
  • Specific heat capacity (kJ/kg·K)
    1.9081
  • Surface tension
    0.0296251
  • Thermal conductivity
    0.130557
  • Thermal diffusivity
    8.2233e-8

Safety Properties

  • Autoignition temperature (°C)
    184
  • Flash point temperature (°C)
    40
  • Lower flammability limit
    0.0100396
  • Upper flammability limit
    0.0625323

Environmental Properties

  • Global warming potential
  • Ozone depletion potential