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Properties of isobutyric anhydride

Thermophysical properties for isobutyric anhydride (CAS: 97-72-3). 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: 14, O: 3
  • CAS
    97-72-3
  • Formula
    C8H14O3
  • ID
    97-72-3
  • InChI
    C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3
  • InChI Key
    LSACYLWPPQLVSM-UHFFFAOYSA-N
  • IUPAC Name
    2-methylpropanoyl 2-methylpropanoate
  • Molecular Weight (kg)
    158.195
  • Phase
    l
  • PubChem ID
    7346
  • SMILES
    CC(C)C(=O)OC(=O)C(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.59281
  • Critical pressure (bar)
    27.19
  • Critical temperature (°C)
    358.35
  • Critical volume (m³/kmol)
    0.486
  • Dipole moment
  • Melting temperature (°C)
    -54.75
  • Normal boiling temperature (°C)
    183

State-dependent Properties

  • API gravity
    8.90727
  • Compressibility factor
    0.00646691
  • Density (kg/m³)
    999.869
  • Dynamic viscosity (cP)
    0.578182
  • Enthalpy of vaporization (mass) (kJ)
    362.814
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.7395e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.4684e-7
  • Kinematic viscosity
    5.7826e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    275.531
  • Molar volume (m³/kmol)
    0.158216
  • Parachor
    6.6704e-5
  • Poynting correction factor
    1.00648
  • Prandtl number
    8.28908
  • Saturation pressure (bar)
    6.4640e-4
  • Saturation temperature (°C)
    182.337
  • Solubility parameter
    1.8631e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.00085
  • Specific heat capacity (kJ/kg·K)
    1.74172
  • Surface tension
    0.0307842
  • Thermal conductivity
    0.121489
  • Thermal diffusivity
    6.9761e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    67
  • Lower flammability limit
    0.0113169
  • Upper flammability limit
    0.0720165

Environmental Properties

  • Global warming potential
  • Ozone depletion potential