Properties of isobutyraldehyde

Thermophysical properties for isobutyraldehyde (CAS: 78-84-2). 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: 4, H: 8, O: 1
  • CAS
    78-84-2
  • Formula
    C4H8O
  • ID
    78-84-2
  • InChI
    C4H8O/c1-4(2)3-5/h3-4H,1-2H3
  • InChI Key
    AMIMRNSIRUDHCM-UHFFFAOYSA-N
  • IUPAC Name
    2-methylpropanal
  • Molecular Weight (kg)
    72.1057
  • Phase
    l
  • PubChem ID
    6561
  • SMILES
    CC(C)C=O
  • Synonyms

Physical Properties

  • Acentric factor
    0.325
  • Critical pressure (bar)
    51
  • Critical temperature (°C)
    270.85
  • Critical volume (m³/kmol)
    0.283
  • Dipole moment
  • Melting temperature (°C)
    -65
  • Normal boiling temperature (°C)
    64.1

State-dependent Properties

  • API gravity
    59.9746
  • Compressibility factor
    0.00403414
  • Density (kg/m³)
    730.577
  • Dynamic viscosity (cP)
    0.373246
  • Enthalpy of vaporization (mass) (kJ)
    489.481
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.5294e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.7863e-7
  • Kinematic viscosity
    5.1089e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    136.683
  • Molar volume (m³/kmol)
    0.0986969
  • Parachor
    3.9945e-5
  • Poynting correction factor
    1.00312
  • Prandtl number
    5.52794
  • Saturation pressure (bar)
    0.22987
  • Saturation temperature (°C)
    64.0199
  • Solubility parameter
    1.8234e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.731296
  • Specific heat capacity (kJ/kg·K)
    1.8956
  • Surface tension
    0.0264
  • Thermal conductivity
    0.127991
  • Thermal diffusivity
    9.2420e-8

Safety Properties

  • Autoignition temperature (°C)
    165
  • Flash point temperature (°C)
    -22
  • Lower flammability limit
    0.016
  • Upper flammability limit
    0.11

Environmental Properties

  • Global warming potential
  • Ozone depletion potential