Properties of morpholine

Thermophysical properties for morpholine (CAS: 110-91-8). 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: 4, H: 9, N: 1, O: 1
  • CAS
    110-91-8
  • Formula
    C4H9NO
  • ID
    110-91-8
  • InChI
    C4H9NO/c1-3-6-4-2-5-1/h5H,1-4H2
  • InChI Key
    YNAVUWVOSKDBBP-UHFFFAOYSA-N
  • IUPAC Name
    morpholine
  • Molecular Weight (kg)
    87.1204
  • Phase
    l
  • PubChem ID
    8083
  • SMILES
    C1COCCN1
  • Synonyms

Physical Properties

  • Acentric factor
    0.37
  • Critical pressure (bar)
    54.7155
  • Critical temperature (°C)
    344.85
  • Critical volume (m³/kmol)
    0.253
  • Dipole moment
  • Melting temperature (°C)
    -5
  • Normal boiling temperature (°C)
    128.2

State-dependent Properties

  • API gravity
    4.60196
  • Compressibility factor
    0.00345566
  • Density (kg/m³)
    1030.47
  • Dynamic viscosity (cP)
    0.530136
  • Enthalpy of vaporization (mass) (kJ)
    513.301
  • Enthalpy of vaporization (molar) (kJ/kmol)
    4.4719e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.9334e-7
  • Kinematic viscosity
    5.1446e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    160.485
  • Molar volume (m³/kmol)
    0.0845441
  • Parachor
    3.7190e-5
  • Poynting correction factor
    1.00341
  • Prandtl number
    6.71573
  • Saturation pressure (bar)
    0.0144088
  • Saturation temperature (°C)
    128.258
  • Solubility parameter
    2.2352e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.03149
  • Specific heat capacity (kJ/kg·K)
    1.84211
  • Surface tension
    0.0369271
  • Thermal conductivity
    0.145415
  • Thermal diffusivity
    7.6605e-8

Safety Properties

  • Autoignition temperature (°C)
    275
  • Flash point temperature (°C)
    33
  • Lower flammability limit
    0.014
  • Upper flammability limit
    0.152

Environmental Properties

  • Global warming potential
  • Ozone depletion potential