Properties of acetaldehyde
Thermophysical properties for acetaldehyde (CAS: 75-07-0). 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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Open CalculatorIdentification
- AtomsC: 2, H: 4, O: 1
- CAS75-07-0
- FormulaC2H4O
- ID75-07-0
- InChIC2H4O/c1-2-3/h2H,1H3
- InChI KeyIKHGUXGNUITLKF-UHFFFAOYSA-N
- IUPAC Nameethanal
- Molecular Weight (kg)44.0526
- Phaseg
- PubChem ID177
- SMILESCC=O
- Synonyms
Physical Properties
- Acentric factor0.303
- Critical pressure (bar)75
- Critical temperature (°C)192.85
- Critical volume (m³/kmol)0.154
- Dipole moment2.69
- Melting temperature (°C)-124.5
- Normal boiling temperature (°C)20.8
State-dependent Properties
- API gravity48.1465
- Compressibility factor1
- Density (kg/m³)1.80061
- Dynamic viscosity (cP)0.00860362
- Enthalpy of vaporization (mass) (kJ)578.403
- Enthalpy of vaporization (molar) (kJ/kmol)2.5480e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient1.5823e-13
- Kinematic viscosity4.7782e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))55.3491
- Molar volume (m³/kmol)24.4654
- Parachor2.1573e-5
- Poynting correction factor0.999547
- Prandtl number0.767636
- Saturation pressure (bar)1.21089
- Saturation temperature (°C)20.2416
- Solubility parameter2.0108e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.52022
- Specific heat capacity (kJ/kg·K)1.25643
- Surface tension0.0204892
- Thermal conductivity0.014082
- Thermal diffusivity6.2245e-6
Safety Properties
- Autoignition temperature (°C)155
- Flash point temperature (°C)-38
- Lower flammability limit0.04
- Upper flammability limit0.6
Environmental Properties
- Global warming potential
- Ozone depletion potential