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Properties of 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid

Thermophysical properties for 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid (CAS: 18212-21-0). 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, S: 1
  • CAS
    18212-21-0
  • Formula
    C4H4N2O2S
  • ID
    18212-21-0
  • InChI
    C4H4N2O2S/c1-2-3(4(7)8)9-6-5-2/h1H3,(H,7,8)
  • InChI Key
    NHHQOYLPBUYHQU-UHFFFAOYSA-N
  • IUPAC Name
    4-methylthiadiazole-5-carboxylic acid
  • Molecular Weight (kg)
    144.152
  • Phase
    s
  • PubChem ID
    1.3820e+6
  • SMILES
    Cc1nnsc1C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    62.7887
  • Critical temperature (°C)
    612.719
  • Critical volume (m³/kmol)
    0.3415
  • Dipole moment
  • Melting temperature (°C)
    176
  • Normal boiling temperature (°C)
    346.94

State-dependent Properties

  • API gravity
    -17.535
  • Compressibility factor
    0.00437138
  • Density (kg/m³)
    1347.87
  • 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))
    121.487
  • Molar volume (m³/kmol)
    0.106948
  • Parachor
    6.4413e-5
  • Poynting correction factor
    1.00478
  • Prandtl number
  • Saturation pressure (bar)
    3.5943e-7
  • Saturation temperature (°C)
    346.94
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.3492
  • Specific heat capacity (kJ/kg·K)
    0.842774
  • Surface tension
    0.0911577
  • 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