Properties of pyrazole-4-carboxylic acid

Thermophysical properties for pyrazole-4-carboxylic acid (CAS: 37718-11-9). 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: 4, N: 2, O: 2
  • CAS
    37718-11-9
  • Formula
    C4H4N2O2
  • ID
    37718-11-9
  • InChI
    C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
  • InChI Key
    IMBBXSASDSZJSX-UHFFFAOYSA-N
  • IUPAC Name
    1h-pyrazole-4-carboxylic acid
  • Molecular Weight (kg)
    112.087
  • Phase
    s
  • PubChem ID
    3.0159e+6
  • SMILES
    O=C(O)c1cn[nH]c1
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    67.5179
  • Critical temperature (°C)
    537.461
  • Critical volume (m³/kmol)
    0.2835
  • Dipole moment
  • Melting temperature (°C)
    279.5
  • Normal boiling temperature (°C)
    288.98

State-dependent Properties

  • API gravity
    -11.7743
  • Compressibility factor
    0.0039238
  • Density (kg/m³)
    1167.6
  • 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))
    109.655
  • Molar volume (m³/kmol)
    0.0959973
  • Parachor
    5.1907e-5
  • Poynting correction factor
    1.00391
  • Prandtl number
  • Saturation pressure (bar)
    5.4721e-6
  • Saturation temperature (°C)
    288.98
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.16875
  • Specific heat capacity (kJ/kg·K)
    0.978302
  • Surface tension
    0.086219
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0274451
  • Upper flammability limit
    0.174651

Environmental Properties

  • Global warming potential
  • Ozone depletion potential