Properties of methanol
Thermophysical properties for methanol (CAS: 67-56-1). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsC: 1, H: 4, O: 1
- CAS67-56-1
- FormulaCH4O
- ID67-56-1
- InChICH4O/c1-2/h2H,1H3
- InChI KeyOKKJLVBELUTLKV-UHFFFAOYSA-N
- IUPAC Namemethanol
- Molecular Weight (kg)32.0419
- Phasel
- PubChem ID887
- SMILESCO
- Synonyms
Physical Properties
- Acentric factor0.5625
- Critical pressure (bar)82.1585
- Critical temperature (°C)240.23
- Critical volume (m³/kmol)0.113828
- Dipole moment1.7
- Melting temperature (°C)-98
- Normal boiling temperature (°C)64.4824
State-dependent Properties
- API gravity46.2757
- Compressibility factor0.00166558
- Density (kg/m³)786.319
- Dynamic viscosity (cP)0.543689
- Enthalpy of vaporization (mass) (kJ)1169.01
- Enthalpy of vaporization (molar) (kJ/kmol)3.7457e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.2326e-7
- Kinematic viscosity6.9144e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))81.212
- Molar volume (m³/kmol)0.0407492
- Parachor1.5746e-5
- Poynting correction factor1.00139
- Prandtl number6.88289
- Saturation pressure (bar)0.169815
- Saturation temperature (°C)64.4822
- Solubility parameter2.9298e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.787093
- Specific heat capacity (kJ/kg·K)2.53456
- Surface tension0.0221478
- Thermal conductivity0.200208
- Thermal diffusivity1.0046e-7
Safety Properties
- Autoignition temperature (°C)440
- Flash point temperature (°C)9
- Lower flammability limit0.06
- Upper flammability limit0.36
Environmental Properties
- Global warming potential
- Ozone depletion potential