Properties of 2,3-dimethyl-1-butene

Thermophysical properties for 2,3-dimethyl-1-butene (CAS: 563-78-0). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    C: 6, H: 12
  • CAS
    563-78-0
  • Formula
    C6H12
  • ID
    563-78-0
  • InChI
    C6H12/c1-5(2)6(3)4/h6H,1H2,2-4H3
  • InChI Key
    OWWIWYDDISJUMY-UHFFFAOYSA-N
  • IUPAC Name
    2,3-dimethylbut-1-ene
  • Molecular Weight (kg)
    84.1595
  • Phase
    l
  • PubChem ID
    1.1249e+4
  • SMILES
    CC(C)C(=C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.221
  • Critical pressure (bar)
    33.1
  • Critical temperature (°C)
    224.55
  • Critical volume (m³/kmol)
    0.346
  • Dipole moment
  • Melting temperature (°C)
    -157
  • Normal boiling temperature (°C)
    55.59

State-dependent Properties

  • API gravity
    78.463
  • Compressibility factor
    0.00517674
  • Density (kg/m³)
    664.499
  • Dynamic viscosity (cP)
    0.233963
  • Enthalpy of vaporization (mass) (kJ)
    327.284
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.7544e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.1702e-7
  • Kinematic viscosity
    3.5209e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    175.479
  • Molar volume (m³/kmol)
    0.126651
  • Parachor
    4.5890e-5
  • Poynting correction factor
    1.00347
  • Prandtl number
    4.7606
  • Saturation pressure (bar)
    0.336094
  • Saturation temperature (°C)
    55.6181
  • Solubility parameter
    1.4068e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.665153
  • Specific heat capacity (kJ/kg·K)
    2.08507
  • Surface tension
    0.0168815
  • Thermal conductivity
    0.102472
  • Thermal diffusivity
    7.3959e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0124597
  • Upper flammability limit
    0.0740288

Environmental Properties

  • Global warming potential
  • Ozone depletion potential