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Properties of 1-piperazineethanamine

Thermophysical properties for 1-piperazineethanamine (CAS: 140-31-8). 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: 6, H: 15, N: 3
  • CAS
    140-31-8
  • Formula
    C6H15N3
  • ID
    140-31-8
  • InChI
    C6H15N3/c7-1-4-9-5-2-8-3-6-9/h8H,1-7H2
  • InChI Key
    IMUDHTPIFIBORV-UHFFFAOYSA-N
  • IUPAC Name
    2-piperazin-1-ylethanamine
  • Molecular Weight (kg)
    129.203
  • Phase
    l
  • PubChem ID
    8795
  • SMILES
    C1CN(CCN1)CCN
  • Synonyms

Physical Properties

  • Acentric factor
    0.557
  • Critical pressure (bar)
    37.87
  • Critical temperature (°C)
    437.55
  • Critical volume (m³/kmol)
    0.415
  • Dipole moment
  • Melting temperature (°C)
    -19
  • Normal boiling temperature (°C)
    225

State-dependent Properties

  • API gravity
    12.5113
  • Compressibility factor
    0.0054097
  • Density (kg/m³)
    976.221
  • Dynamic viscosity (cP)
    0.708333
  • Enthalpy of vaporization (mass) (kJ)
    514.408
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.6463e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.3731e-7
  • Kinematic viscosity
    7.2559e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    249.351
  • Molar volume (m³/kmol)
    0.132351
  • Parachor
    6.0302e-5
  • Poynting correction factor
    1.00542
  • Prandtl number
    9.26057
  • Saturation pressure (bar)
    2.0870e-4
  • Saturation temperature (°C)
    215.012
  • Solubility parameter
    2.1987e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.977181
  • Specific heat capacity (kJ/kg·K)
    1.92991
  • Surface tension
    0.0421699
  • Thermal conductivity
    0.147617
  • Thermal diffusivity
    7.8352e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0116009
  • Upper flammability limit
    0.0738241

Environmental Properties

  • Global warming potential
  • Ozone depletion potential