Terephthalic acid (data page)

Chemical data page From Wikipedia, the free encyclopedia

This page provides supplementary chemical data on Terephthalic acid, the organic compound and one of three isomeric phthalic acids, all with formula C6H4(CO2H)2.

Material Safety Data Sheet

The handling of this chemical may require notable safety precautions, which are set forth on the Material Safety Datasheet (MSDS) for it.SIRI

Structure and properties

More information Structure and properties ...
Structure and properties
Index of refraction, nD ?
Abbe number ?
Dielectric constant, εr ? ε0 at ? °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
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Thermodynamic properties

More information Phase behavior, Solid properties ...
Phase behavior
Triple point ? K (? °C), ? Pa
Critical point ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo		 ? kJ/mol
Std entropy change
of fusion, ΔfusSo		 ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		 ? kJ/mol
Std entropy change
of vaporization, ΔvapSo		 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		 232 kJ/mol [1]
Standard molar entropy,
Sosolid		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		 ? kJ/mol
Standard molar entropy,
Soliquid		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		 ? kJ/mol
Standard molar entropy,
Sogas		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)
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Spectral data

More information UV-Vis, IR ...
UV-Vis
λmax 240 nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  
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References

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