Properties of 2-methyloctanoic acid

Thermophysical properties for 2-methyloctanoic acid (CAS: 3004-93-1). 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: 9, H: 18, O: 2
  • CAS
    3004-93-1
  • Formula
    C9H18O2
  • ID
    3004-93-1
  • InChI
    C9H18O2/c1-3-4-5-6-7-8(2)9(10)11/h8H,3-7H2,1-2H3,(H,10,11)
  • InChI Key
    YSEQNZOXHCKLOG-UHFFFAOYSA-N
  • IUPAC Name
    2-methyloctanoic acid
  • Molecular Weight (kg)
    158.238
  • Phase
    s
  • PubChem ID
    9.4251e+4
  • SMILES
    CCCCCCC(C)C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    0.791
  • Critical pressure (bar)
    25.4
  • Critical temperature (°C)
    420.85
  • Critical volume (m³/kmol)
    0.572
  • Dipole moment
  • Melting temperature (°C)
    63.64
  • Normal boiling temperature (°C)
    277.44

State-dependent Properties

  • API gravity
    24.9054
  • Compressibility factor
    0.00655523
  • Density (kg/m³)
    986.667
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    479.079
  • Enthalpy of vaporization (molar) (kJ/kmol)
    7.5808e+4
  • 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))
    237.853
  • Molar volume (m³/kmol)
    0.160376
  • Parachor
    7.8118e-5
  • Poynting correction factor
    1.00724
  • Prandtl number
  • Saturation pressure (bar)
    9.1576e-6
  • Saturation temperature (°C)
    244.939
  • Solubility parameter
    2.0385e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.987637
  • Specific heat capacity (kJ/kg·K)
    1.50314
  • Surface tension
    0.0373024
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.00909091
  • Upper flammability limit
    0.0578512

Environmental Properties

  • Global warming potential
  • Ozone depletion potential