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Properties of alpha-pinene

Thermophysical properties for alpha-pinene (CAS: 80-56-8). 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: 10, H: 16
  • CAS
    80-56-8
  • Formula
    C10H16
  • ID
    80-56-8
  • InChI
    C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h4,8-9H,5-6H2,1-3H3
  • InChI Key
    GRWFGVWFFZKLTI-UHFFFAOYSA-N
  • IUPAC Name
    4,6,6-trimethylbicyclo[3.1.1]hept-3-ene
  • Molecular Weight (kg)
    136.234
  • Phase
    l
  • PubChem ID
    6654
  • SMILES
    CC1=CCC2CC1C2(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.3228
  • Critical pressure (bar)
    28.8776
  • Critical temperature (°C)
    356.85
  • Critical volume (m³/kmol)
    0.4845
  • Dipole moment
  • Melting temperature (°C)
    -61.5
  • Normal boiling temperature (°C)
    156.3

State-dependent Properties

  • API gravity
    35.2675
  • Compressibility factor
    0.00662031
  • Density (kg/m³)
    841.114
  • Dynamic viscosity (cP)
    0.418018
  • Enthalpy of vaporization (mass) (kJ)
    320.604
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.3677e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.8144e-7
  • Kinematic viscosity
    4.9698e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    252.904
  • Molar volume (m³/kmol)
    0.161969
  • Parachor
    6.7728e-5
  • Poynting correction factor
    1.0066
  • Prandtl number
    6.42578
  • Saturation pressure (bar)
    0.00582365
  • Saturation temperature (°C)
    156.215
  • Solubility parameter
    1.5949e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.841941
  • Specific heat capacity (kJ/kg·K)
    1.85639
  • Surface tension
    0.0297728
  • Thermal conductivity
    0.120765
  • Thermal diffusivity
    7.7342e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    30.6137
  • Lower flammability limit
    0.00891932
  • Upper flammability limit
    0.062391

Environmental Properties

  • Global warming potential
  • Ozone depletion potential