Properties of methacrylic acid
Thermophysical properties for methacrylic acid (CAS: 79-41-4). 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: 4, H: 6, O: 2
- CAS79-41-4
- FormulaC4H6O2
- ID79-41-4
- InChIC4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
- InChI KeyCERQOIWHTDAKMF-UHFFFAOYSA-N
- IUPAC Name2-methylprop-2-enoic acid
- Molecular Weight (kg)86.0892
- Phasel
- PubChem ID4093
- SMILESCC(=C)C(=O)O
- Synonyms
Physical Properties
- Acentric factor0.4678
- Critical pressure (bar)47.0047
- Critical temperature (°C)369.85
- Critical volume (m³/kmol)0.27
- Dipole moment1.65
- Melting temperature (°C)16
- Normal boiling temperature (°C)160
State-dependent Properties
- API gravity7.3123
- Compressibility factor0.0034857
- Density (kg/m³)1009.5
- Dynamic viscosity (cP)1.42363
- Enthalpy of vaporization (mass) (kJ)465.65
- Enthalpy of vaporization (molar) (kJ/kmol)4.0087e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.4803e-7
- Kinematic viscosity1.4102e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))137.352
- Molar volume (m³/kmol)0.0852792
- Parachor3.9122e-5
- Poynting correction factor1.00349
- Prandtl number14.9047
- Saturation pressure (bar)0.00131801
- Saturation temperature (°C)161.232
- Solubility parameter2.1000e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.01049
- Specific heat capacity (kJ/kg·K)1.59546
- Surface tension0.0436754
- Thermal conductivity0.152391
- Thermal diffusivity9.4617e-8
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)66.85
- Lower flammability limit0.0256865
- Upper flammability limit0.131059
Environmental Properties
- Global warming potential
- Ozone depletion potential