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Properties of 2-ethylbutanoic acid

Thermophysical properties for 2-ethylbutanoic acid (CAS: 88-09-5). 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

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Identification

  • Atoms
    C: 6, H: 12, O: 2
  • CAS
    88-09-5
  • Formula
    C6H12O2
  • ID
    88-09-5
  • InChI
    C6H12O2/c1-3-5(4-2)6(7)8/h5H,3-4H2,1-2H3,(H,7,8)
  • InChI Key
    OXQGTIUCKGYOAA-UHFFFAOYSA-N
  • IUPAC Name
    2-ethylbutanoic acid
  • Molecular Weight (kg)
    116.158
  • Phase
    l
  • PubChem ID
    6915
  • SMILES
    CCC(CC)C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    0.633
  • Critical pressure (bar)
    34.1
  • Critical temperature (°C)
    381.85
  • Critical volume (m³/kmol)
    0.389
  • Dipole moment
  • Melting temperature (°C)
    -23.4
  • Normal boiling temperature (°C)
    193

State-dependent Properties

  • API gravity
    20.8412
  • Compressibility factor
    0.0051638
  • Density (kg/m³)
    919.45
  • Dynamic viscosity (cP)
    2.59207
  • Enthalpy of vaporization (mass) (kJ)
    535.092
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.2155e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.1790e-7
  • Kinematic viscosity
    2.8192e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    213.978
  • Molar volume (m³/kmol)
    0.126335
  • Parachor
    5.6579e-5
  • Poynting correction factor
    1.00518
  • Prandtl number
    33.4222
  • Saturation pressure (bar)
    2.4985e-4
  • Saturation temperature (°C)
    193.894
  • Solubility parameter
    2.1734e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.920355
  • Specific heat capacity (kJ/kg·K)
    1.84213
  • Surface tension
    0.0394048
  • Thermal conductivity
    0.142867
  • Thermal diffusivity
    8.4350e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0140737
  • Upper flammability limit
    0.0895599

Environmental Properties

  • Global warming potential
  • Ozone depletion potential