Properties of 2-hexyne

Thermophysical properties for 2-hexyne (CAS: 764-35-2). 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: 6, H: 10
  • CAS
    764-35-2
  • Formula
    C6H10
  • ID
    764-35-2
  • InChI
    C6H10/c1-3-5-6-4-2/h3,5H2,1-2H3
  • InChI Key
    MELUCTCJOARQQG-UHFFFAOYSA-N
  • IUPAC Name
    hex-2-yne
  • Molecular Weight (kg)
    82.1436
  • Phase
    l
  • PubChem ID
    3.3629e+4
  • SMILES
    CCCC#CC
  • Synonyms

Physical Properties

  • Acentric factor
    0.221
  • Critical pressure (bar)
    35.3
  • Critical temperature (°C)
    275.85
  • Critical volume (m³/kmol)
    0.331
  • Dipole moment
  • Melting temperature (°C)
    -90
  • Normal boiling temperature (°C)
    84.3

State-dependent Properties

  • API gravity
    60.529
  • Compressibility factor
    0.00461894
  • Density (kg/m³)
    726.908
  • Dynamic viscosity (cP)
    0.398607
  • Enthalpy of vaporization (mass) (kJ)
    423.837
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.4815e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.1356e-7
  • Kinematic viscosity
    5.4836e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    162.943
  • Molar volume (m³/kmol)
    0.113004
  • Parachor
    4.3961e-5
  • Poynting correction factor
    1.00414
  • Prandtl number
    6.14455
  • Saturation pressure (bar)
    0.106732
  • Saturation temperature (°C)
    84.5026
  • Solubility parameter
    1.6916e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.727623
  • Specific heat capacity (kJ/kg·K)
    1.98364
  • Surface tension
    0.0224831
  • Thermal conductivity
    0.128682
  • Thermal diffusivity
    8.9243e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -11
  • Lower flammability limit
    0.0132658
  • Upper flammability limit
    0.0844187

Environmental Properties

  • Global warming potential
  • Ozone depletion potential