Properties of phthalic acid
Thermophysical properties for phthalic acid (CAS: 88-99-3). 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
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Open CalculatorIdentification
- AtomsC: 8, H: 6, O: 4
- CAS88-99-3
- FormulaC8H6O4
- ID88-99-3
- InChIC8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
- InChI KeyXNGIFLGASWRNHJ-UHFFFAOYSA-N
- IUPAC Namephthalic acid
- Molecular Weight (kg)166.131
- Phases
- PubChem ID1017
- SMILESC1=CC=C(C(=C1)C(=O)O)C(=O)O
- Synonyms
Physical Properties
- Acentric factor1.058
- Critical pressure (bar)39.5
- Critical temperature (°C)526.85
- Critical volume (m³/kmol)0.424
- Dipole moment2.6
- Melting temperature (°C)230
- Normal boiling temperature (°C)324.85
State-dependent Properties
- API gravity-21.6234
- Compressibility factor0.00500847
- Density (kg/m³)1355.79
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)728.309
- Enthalpy of vaporization (molar) (kJ/kmol)1.2099e+5
- 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))188.1
- Molar volume (m³/kmol)0.122534
- Parachor6.6342e-5
- Poynting correction factor1.00531
- Prandtl number
- Saturation pressure (bar)1.4698e-9
- Saturation temperature (°C)324.977
- Solubility parameter3.0243e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.35712
- Specific heat capacity (kJ/kg·K)1.13224
- Surface tension0.0672744
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)168
- Lower flammability limit0.0158595
- Upper flammability limit0.0908424
Environmental Properties
- Global warming potential
- Ozone depletion potential