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Properties of propyl isobutyrate

Thermophysical properties for propyl isobutyrate (CAS: 644-49-5). 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: 7, H: 14, O: 2
  • CAS
    644-49-5
  • Formula
    C7H14O2
  • ID
    644-49-5
  • InChI
    C7H14O2/c1-4-5-9-7(8)6(2)3/h6H,4-5H2,1-3H3
  • InChI Key
    AZFUASHXSOTBNU-UHFFFAOYSA-N
  • IUPAC Name
    propyl 2-methylpropanoate
  • Molecular Weight (kg)
    130.185
  • Phase
    l
  • PubChem ID
    1.2571e+4
  • SMILES
    CCCOC(=O)C(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.484
  • Critical pressure (bar)
    28.4
  • Critical temperature (°C)
    306.25
  • Critical volume (m³/kmol)
    0.463
  • Dipole moment
  • Melting temperature (°C)
    -77.17
  • Normal boiling temperature (°C)
    134

State-dependent Properties

  • API gravity
    35.9087
  • Compressibility factor
    0.0063565
  • Density (kg/m³)
    837.124
  • Dynamic viscosity (cP)
    0.43865
  • Enthalpy of vaporization (mass) (kJ)
    349.384
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.5484e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.6027e-7
  • Kinematic viscosity
    5.2400e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    243.721
  • Molar volume (m³/kmol)
    0.155514
  • Parachor
    6.1144e-5
  • Poynting correction factor
    1.00631
  • Prandtl number
    7.06899
  • Saturation pressure (bar)
    0.0111957
  • Saturation temperature (°C)
    133.276
  • Solubility parameter
    1.6629e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.837948
  • Specific heat capacity (kJ/kg·K)
    1.87211
  • Surface tension
    0.023295
  • Thermal conductivity
    0.11617
  • Thermal diffusivity
    7.4126e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0118996
  • Upper flammability limit
    0.0757248

Environmental Properties

  • Global warming potential
  • Ozone depletion potential