Properties of terephthalic acid
Thermophysical properties for terephthalic acid (CAS: 100-21-0). 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: 8, H: 6, O: 4
- CAS100-21-0
- FormulaC8H6O4
- ID100-21-0
- InChIC8H6O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
- InChI KeyKKEYFWRCBNTPAC-UHFFFAOYSA-N
- IUPAC Nameterephthalic acid
- Molecular Weight (kg)166.131
- Phases
- PubChem ID7489
- SMILESC1=CC(=CC=C1C(=O)O)C(=O)O
- Synonyms
Physical Properties
- Acentric factor1.059
- Critical pressure (bar)34.86
- Critical temperature (°C)610.45
- Critical volume (m³/kmol)0.424
- Dipole moment2.6022
- Melting temperature (°C)300
- Normal boiling temperature (°C)558.85
State-dependent Properties
- API gravity-31.9327
- Compressibility factor0.00399651
- Density (kg/m³)1699.09
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)851.994
- Enthalpy of vaporization (molar) (kJ/kmol)1.4154e+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))164.197
- Molar volume (m³/kmol)0.0977762
- Parachor6.2388e-5
- Poynting correction factor1.00479
- Prandtl number
- Saturation pressure (bar)3.2944e-14
- Saturation temperature (°C)559.389
- Solubility parameter3.4474e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.70076
- Specific heat capacity (kJ/kg·K)0.98836
- Surface tension0.0792707
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)159.932
- Lower flammability limit0.0160493
- Upper flammability limit0.0917508
Environmental Properties
- Global warming potential
- Ozone depletion potential