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Properties of 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one

Thermophysical properties for 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one (CAS: 6969-71-7). 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: 6, H: 5, N: 3, O: 1
  • CAS
    6969-71-7
  • Formula
    C6H5N3O
  • ID
    6969-71-7
  • InChI
    C6H5N3O/c10-6-8-7-5-3-1-2-4-9(5)6/h1-4H,(H,8,10)
  • InChI Key
    LJRXNXBFJXXRNQ-UHFFFAOYSA-N
  • IUPAC Name
    2h-[1,2,4]triazolo[4,3-a]pyridin-3-one
  • Molecular Weight (kg)
    135.123
  • Phase
    s
  • PubChem ID
    8.1431e+4
  • SMILES
    Oc1nnc2ccccn12
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    76.9468
  • Critical temperature (°C)
    559.565
  • Critical volume (m³/kmol)
    0.2975
  • Dipole moment
  • Melting temperature (°C)
    229
  • Normal boiling temperature (°C)
    297.17

State-dependent Properties

  • API gravity
    9.52019
  • Compressibility factor
    0.00442246
  • Density (kg/m³)
    1248.86
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    136.341
  • Molar volume (m³/kmol)
    0.108197
  • Parachor
    7.4967e-5
  • Poynting correction factor
    1.00549
  • Prandtl number
  • Saturation pressure (bar)
    3.6142e-6
  • Saturation temperature (°C)
    297.172
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.25009
  • Specific heat capacity (kJ/kg·K)
    1.00901
  • Surface tension
    0.0956632
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0166013
  • Upper flammability limit
    0.105644

Environmental Properties

  • Global warming potential
  • Ozone depletion potential