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Properties of 3-mercaptopropionic acid

Thermophysical properties for 3-mercaptopropionic acid (CAS: 107-96-0). 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: 3, H: 6, O: 2, S: 1
  • CAS
    107-96-0
  • Formula
    C3H6O2S
  • ID
    107-96-0
  • InChI
    C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5)
  • InChI Key
    DKIDEFUBRARXTE-UHFFFAOYSA-N
  • IUPAC Name
    3-sulfanylpropanoic acid
  • Molecular Weight (kg)
    106.144
  • Phase
    l
  • PubChem ID
    6514
  • SMILES
    C(CS)C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    0.589
  • Critical pressure (bar)
    50.2
  • Critical temperature (°C)
    455.85
  • Critical volume (m³/kmol)
    0.281
  • Dipole moment
  • Melting temperature (°C)
    18
  • Normal boiling temperature (°C)
    227.85

State-dependent Properties

  • API gravity
    -13.5455
  • Compressibility factor
    0.00363881
  • Density (kg/m³)
    1192.29
  • Dynamic viscosity (cP)
    0.816866
  • Enthalpy of vaporization (mass) (kJ)
    670.749
  • Enthalpy of vaporization (molar) (kJ/kmol)
    7.1196e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.1432e-7
  • Kinematic viscosity
    6.8512e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    144.552
  • Molar volume (m³/kmol)
    0.089025
  • Parachor
    4.3932e-5
  • Poynting correction factor
    1.00365
  • Prandtl number
    6.699
  • Saturation pressure (bar)
    2.8870e-5
  • Saturation temperature (°C)
    227.699
  • Solubility parameter
    2.7783e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.19346
  • Specific heat capacity (kJ/kg·K)
    1.36186
  • Surface tension
    0.0584466
  • Thermal conductivity
    0.166063
  • Thermal diffusivity
    1.0227e-7

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    93
  • Lower flammability limit
    0.0311438
  • Upper flammability limit
    0.198188

Environmental Properties

  • Global warming potential
  • Ozone depletion potential