Properties of 1,2-propanediol
Thermophysical properties for 1,2-propanediol (CAS: 57-55-6). 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: 8, O: 2
- CAS57-55-6
- FormulaC3H8O2
- ID57-55-6
- InChIC3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
- InChI KeyDNIAPMSPPWPWGF-UHFFFAOYSA-N
- IUPAC Namepropane-1,2-diol
- Molecular Weight (kg)76.0944
- Phasel
- PubChem ID1030
- SMILESCC(CO)O
- Synonyms
Physical Properties
- Acentric factor0.5928
- Critical pressure (bar)59
- Critical temperature (°C)402.85
- Critical volume (m³/kmol)0.237
- Dipole moment3.62989
- Melting temperature (°C)-60
- Normal boiling temperature (°C)187.3
State-dependent Properties
- API gravity4.46153
- Compressibility factor0.00301207
- Density (kg/m³)1032.61
- Dynamic viscosity (cP)42.5055
- Enthalpy of vaporization (mass) (kJ)876.305
- Enthalpy of vaporization (molar) (kJ/kmol)6.6682e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.0283e-7
- Kinematic viscosity4.1163e-5
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))190.082
- Molar volume (m³/kmol)0.0736914
- Parachor3.2263e-5
- Poynting correction factor1.00302
- Prandtl number540.554
- Saturation pressure (bar)2.0615e-4
- Saturation temperature (°C)187.271
- Solubility parameter2.9517e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.03362
- Specific heat capacity (kJ/kg·K)2.49797
- Surface tension0.0363017
- Thermal conductivity0.196424
- Thermal diffusivity7.6150e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)85.5024
- Lower flammability limit0.0281793
- Upper flammability limit0.139006
Environmental Properties
- Global warming potential
- Ozone depletion potential