Properties of lactic acid
Thermophysical properties for lactic acid (CAS: 50-21-5). 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: 3, H: 6, O: 3
- CAS50-21-5
- FormulaC3H6O3
- ID50-21-5
- InChIC3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
- InChI KeyJVTAAEKCZFNVCJ-UHFFFAOYSA-N
- IUPAC Name2-oxidanylpropanoic acid
- Molecular Weight (kg)90.0779
- Phasel
- PubChem ID612
- SMILESCC(C(=O)O)O
- Synonyms
Physical Properties
- Acentric factor1.022
- Critical pressure (bar)59.6
- Critical temperature (°C)401.85
- Critical volume (m³/kmol)0.251
- Dipole moment
- Melting temperature (°C)18
- Normal boiling temperature (°C)232.34
State-dependent Properties
- API gravity-8.78192
- Compressibility factor0.00321246
- Density (kg/m³)1146.11
- Dynamic viscosity (cP)1.10667
- Enthalpy of vaporization (mass) (kJ)994.799
- Enthalpy of vaporization (molar) (kJ/kmol)8.9609e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.7334e-7
- Kinematic viscosity9.6558e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))139.039
- Molar volume (m³/kmol)0.0785942
- Parachor4.0401e-5
- Poynting correction factor1.00322
- Prandtl number9.17087
- Saturation pressure (bar)4.2214e-6
- Saturation temperature (°C)216.362
- Solubility parameter3.3296e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.14724
- Specific heat capacity (kJ/kg·K)1.54355
- Surface tension0.0689289
- Thermal conductivity0.186263
- Thermal diffusivity1.0529e-7
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0359948
- Upper flammability limit0.229058
Environmental Properties
- Global warming potential
- Ozone depletion potential