Properties of 4-methylbenzoic acid
Thermophysical properties for 4-methylbenzoic acid (CAS: 99-94-5). 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: 8, H: 8, O: 2
- CAS99-94-5
- FormulaC8H8O2
- ID99-94-5
- InChIC8H8O2/c1-6-2-4-7(5-3-6)8(9)10/h2-5H,1H3,(H,9,10)
- InChI KeyLPNBBFKOUUSUDB-UHFFFAOYSA-N
- IUPAC Name4-methylbenzoic acid
- Molecular Weight (kg)136.148
- Phases
- PubChem ID7470
- SMILESCC1=CC=C(C=C1)C(=O)O
- Synonyms
Physical Properties
- Acentric factor0.661
- Critical pressure (bar)38
- Critical temperature (°C)501.85
- Critical volume (m³/kmol)0.394
- Dipole moment
- Melting temperature (°C)180
- Normal boiling temperature (°C)274.55
State-dependent Properties
- API gravity-4.25179
- Compressibility factor0.00471355
- Density (kg/m³)1180.62
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)613.342
- Enthalpy of vaporization (molar) (kJ/kmol)8.3505e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))169
- Molar volume (m³/kmol)0.115319
- Parachor5.9723e-5
- Poynting correction factor1.00504
- Prandtl number
- Saturation pressure (bar)1.3242e-6
- Saturation temperature (°C)277.524
- Solubility parameter2.5656e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.18178
- Specific heat capacity (kJ/kg·K)1.2413
- Surface tension0.0543017
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0129054
- Upper flammability limit0.0762644
Environmental Properties
- Global warming potential
- Ozone depletion potential