Properties of 2,4-Dihydro-3H-1,2,4-triazol-3-one

Thermophysical properties for 2,4-Dihydro-3H-1,2,4-triazol-3-one (CAS: 930-33-6). 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: 2, H: 3, N: 3, O: 1
  • CAS
    930-33-6
  • Formula
    C2H3N3O
  • ID
    930-33-6
  • InChI
    C2H3N3O/c6-2-3-1-4-5-2/h1H,(H2,3,4,5,6)
  • InChI Key
    LZTSCEYDCZBRCJ-UHFFFAOYSA-N
  • IUPAC Name
    1,2-dihydro-1,2,4-triazol-3-one
  • Molecular Weight (kg)
    85.0647
  • Phase
    s
  • PubChem ID
    7.0253e+4
  • SMILES
    Oc1nc[nH]n1
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    111.037
  • Critical temperature (°C)
    494.063
  • Critical volume (m³/kmol)
    0.1625
  • Dipole moment
  • Melting temperature (°C)
    234.5
  • Normal boiling temperature (°C)
    227.05

State-dependent Properties

  • API gravity
    -40.6277
  • Compressibility factor
    0.00222351
  • Density (kg/m³)
    1563.71
  • 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))
    82.3801
  • Molar volume (m³/kmol)
    0.0543992
  • Parachor
    3.1261e-5
  • Poynting correction factor
    1.00225
  • Prandtl number
  • Saturation pressure (bar)
    1.0813e-4
  • Saturation temperature (°C)
    227.05
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.56525
  • Specific heat capacity (kJ/kg·K)
    0.96844
  • Surface tension
    0.103493
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0443775
  • Upper flammability limit
    0.173915

Environmental Properties

  • Global warming potential
  • Ozone depletion potential