Properties of tetrahydropyran

Thermophysical properties for tetrahydropyran (CAS: 142-68-7). 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: 5, H: 10, O: 1
  • CAS
    142-68-7
  • Formula
    C5H10O
  • ID
    142-68-7
  • InChI
    C5H10O/c1-2-4-6-5-3-1/h1-5H2
  • InChI Key
    DHXVGJBLRPWPCS-UHFFFAOYSA-N
  • IUPAC Name
    oxane
  • Molecular Weight (kg)
    86.1323
  • Phase
    l
  • PubChem ID
    8894
  • SMILES
    C1CCOCC1
  • Synonyms

Physical Properties

  • Acentric factor
    0.218
  • Critical pressure (bar)
    47.7
  • Critical temperature (°C)
    298.85
  • Critical volume (m³/kmol)
    0.263
  • Dipole moment
    1.74
  • Melting temperature (°C)
    -45
  • Normal boiling temperature (°C)
    88

State-dependent Properties

  • API gravity
    17.3109
  • Compressibility factor
    0.00374251
  • Density (kg/m³)
    940.699
  • Dynamic viscosity (cP)
    0.363808
  • Enthalpy of vaporization (mass) (kJ)
    391.536
  • Enthalpy of vaporization (molar) (kJ/kmol)
    3.3724e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.1961e-7
  • Kinematic viscosity
    3.8674e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    149.802
  • Molar volume (m³/kmol)
    0.0915621
  • Parachor
    3.7869e-5
  • Poynting correction factor
    1.00339
  • Prandtl number
    4.91693
  • Saturation pressure (bar)
    0.09656
  • Saturation temperature (°C)
    88.3135
  • Solubility parameter
    1.8473e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.941624
  • Specific heat capacity (kJ/kg·K)
    1.73921
  • Surface tension
    0.0288232
  • Thermal conductivity
    0.128686
  • Thermal diffusivity
    7.8655e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.01634
  • Upper flammability limit
    0.0931334

Environmental Properties

  • Global warming potential
  • Ozone depletion potential