Properties of mercaptoacetic acid
Thermophysical properties for mercaptoacetic acid (CAS: 68-11-1). 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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Open CalculatorIdentification
- AtomsC: 2, H: 4, O: 2, S: 1
- CAS68-11-1
- FormulaC2H4O2S
- ID68-11-1
- InChIC2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
- InChI KeyCWERGRDVMFNCDR-UHFFFAOYSA-N
- IUPAC Name2-sulfanylethanoic acid
- Molecular Weight (kg)92.117
- Phasel
- PubChem ID1133
- SMILESC(C(=O)O)S
- Synonyms
Physical Properties
- Acentric factor0.56
- Critical pressure (bar)61
- Critical temperature (°C)459.85
- Critical volume (m³/kmol)0.239
- Dipole moment
- Melting temperature (°C)-16.5
- Normal boiling temperature (°C)219.85
State-dependent Properties
- API gravity-15.7691
- Compressibility factor0.00309847
- Density (kg/m³)1215.18
- Dynamic viscosity (cP)0.846366
- Enthalpy of vaporization (mass) (kJ)757.87
- Enthalpy of vaporization (molar) (kJ/kmol)6.9813e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-5.6713e-7
- Kinematic viscosity6.9650e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))111.562
- Molar volume (m³/kmol)0.0758053
- Parachor3.8335e-5
- Poynting correction factor1.0031
- Prandtl number5.73995
- Saturation pressure (bar)1.2468e-4
- Saturation temperature (°C)212.713
- Solubility parameter2.9803e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.21637
- Specific heat capacity (kJ/kg·K)1.21109
- Surface tension0.0645949
- Thermal conductivity0.178578
- Thermal diffusivity1.2134e-7
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)123.964
- Lower flammability limit0.059
- Upper flammability limit0.3327
Environmental Properties
- Global warming potential
- Ozone depletion potential