Properties of methacrolein
Thermophysical properties for methacrolein (CAS: 78-85-3). 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: 4, H: 6, O: 1
- CAS78-85-3
- FormulaC4H6O
- ID78-85-3
- InChIC4H6O/c1-4(2)3-5/h3H,1H2,2H3
- InChI KeySTNJBCKSHOAVAJ-UHFFFAOYSA-N
- IUPAC Name2-methylprop-2-enal
- Molecular Weight (kg)70.0898
- Phasel
- PubChem ID6562
- SMILESCC(=C)C=O
- Synonyms
Physical Properties
- Acentric factor0.246
- Critical pressure (bar)42.5
- Critical temperature (°C)256.85
- Critical volume (m³/kmol)0.255
- Dipole moment2.68
- Melting temperature (°C)-81
- Normal boiling temperature (°C)67
State-dependent Properties
- API gravity49.4164
- Compressibility factor0.00370833
- Density (kg/m³)772.545
- Dynamic viscosity (cP)0.285669
- Enthalpy of vaporization (mass) (kJ)444.599
- Enthalpy of vaporization (molar) (kJ/kmol)3.1162e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.7426e-7
- Kinematic viscosity3.6978e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))121.507
- Molar volume (m³/kmol)0.0907259
- Parachor3.6203e-5
- Poynting correction factor1.00296
- Prandtl number3.65747
- Saturation pressure (bar)0.206471
- Saturation temperature (°C)67.7926
- Solubility parameter1.7781e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.773305
- Specific heat capacity (kJ/kg·K)1.73359
- Surface tension0.0249811
- Thermal conductivity0.135403
- Thermal diffusivity1.0110e-7
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-15
- Lower flammability limit0.0226987
- Upper flammability limit0.120361
Environmental Properties
- Global warming potential
- Ozone depletion potential