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Properties of 1-methyl-2-pyrrolidinone

Thermophysical properties for 1-methyl-2-pyrrolidinone (CAS: 872-50-4). 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: 9, N: 1, O: 1
  • CAS
    872-50-4
  • Formula
    C5H9NO
  • ID
    872-50-4
  • InChI
    C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
  • InChI Key
    SECXISVLQFMRJM-UHFFFAOYSA-N
  • IUPAC Name
    1-methylpyrrolidin-2-one
  • Molecular Weight (kg)
    99.1311
  • Phase
    l
  • PubChem ID
    1.3387e+4
  • SMILES
    CN1CCCC1=O
  • Synonyms

Physical Properties

  • Acentric factor
    0.3577
  • Critical pressure (bar)
    45.2
  • Critical temperature (°C)
    448.65
  • Critical volume (m³/kmol)
    0.311
  • Dipole moment
  • Melting temperature (°C)
    -24
  • Normal boiling temperature (°C)
    204.2

State-dependent Properties

  • API gravity
    11.0931
  • Compressibility factor
    0.00411129
  • Density (kg/m³)
    985.552
  • Dynamic viscosity (cP)
    0.568866
  • Enthalpy of vaporization (mass) (kJ)
    556.257
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.5142e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.6641e-7
  • Kinematic viscosity
    5.7721e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    175.111
  • Molar volume (m³/kmol)
    0.100584
  • Parachor
    4.5348e-5
  • Poynting correction factor
    1.00412
  • Prandtl number
    6.19991
  • Saturation pressure (bar)
    4.2140e-4
  • Saturation temperature (°C)
    203.749
  • Solubility parameter
    2.2882e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.986522
  • Specific heat capacity (kJ/kg·K)
    1.76646
  • Surface tension
    0.0406384
  • Thermal conductivity
    0.16208
  • Thermal diffusivity
    9.3099e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    86
  • Lower flammability limit
    0.0172261
  • Upper flammability limit
    0.0972802

Environmental Properties

  • Global warming potential
  • Ozone depletion potential