Tetrachloroethylene (data page)
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This page provides supplementary chemical data on tetrachloroethylene.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions. MSDS is available from Fisher Scientific.
Structure and properties
Structure and properties | |
---|---|
Index of refraction,[1] nD | 1.5055 at 20 °C |
Abbe number | ? |
Dielectric constant,[2] εr | 2.5 ε0 at 21 °C |
Bond strength | ? |
Bond length | ? |
Bond angle | ? |
Magnetic susceptibility | ? |
Surface tension[3] | 31.74 dyn/cm at 20 °C(C2Cl4 against air) 44.4 dyn/cm at 25 °C (C2Cl4 against water) |
Viscosity[4] | 1.1384 mPa·sec at 0.43 °C 0.8759 mPa·sec at 22.3 °C 0.6539 mPa·sec at 52.68 °C 0.4043 mPa·sec at 117.09 °C |
Thermodynamic properties
Phase behavior | |
---|---|
Triple point | 250.81 K (–22.34 °C), ? Pa |
Critical point | 620 K (347 °C), 4760 kPa |
Std enthalpy change of fusion, ΔfusH |
10.88 kJ/mol |
Std entropy change of fusion, ΔfusS |
43.38 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
34.68 kJ/mol at 121 °C |
Std entropy change of vaporization, ΔvapS |
102.8 J/(mol·K) at 25 °C |
Solid properties | |
Std enthalpy change of formation, ΔfH |
? kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Enthalpy of state transition, ΔtrsH |
0.820 kJ/mol (crystal II → crystal I) –148 °C to –63 °C |
Entropy of state transition, ΔtrsS |
5.26 J/(mol K) (crystal II → crystal I) –148 °C to –63 °C |
Heat capacity, cp | ? J/(mol K) |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
–54.4 kJ/mol |
Standard molar entropy, S |
240.6 J/(mol K) |
Enthalpy of combustion, ΔcH |
–830 kJ/mol |
Heat capacity, cp | 146 J/(mol K) at 25 °C |
Gas properties | |
Std enthalpy change of formation, ΔfH |
–12.43 kJ/mol |
Standard molar entropy, S |
343.4 J/(mol K) at 25 °C |
Heat capacity, cp | 95.51 J/(mol K) at 25 °C |
Vapor pressure of liquid
P in mm Hg | 1 | 10 | 40 | 100 | 400 | 760 | |
T in °C | –20.6(s) | 13.8 | 40.1 | 61.3 | 100.0 | 120.8 |
Table data obtained from CRC Handbook of Chemistry and Physics 47th ed. Note that "(s)" annotation indicates equilibrium temperature of vapor pressure of solid. Otherwise indication is equilibrium temperature of vapor of liquid.
![](http://upload.wikimedia.org/wikipedia/commons/4/42/LogTetrachloroethyleneVaporPressure.png)
Distillation data
See also
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Spectral data
UV-Vis | |
---|---|
λmax | ? nm |
Extinction coefficient, ε | ? |
IR | |
Major absorption bands | ? cm−1 |
NMR | |
Proton NMR | |
Carbon-13 NMR | |
Other NMR data | |
MS | |
Masses of main fragments |
References
- ^ Lange's Handbook of Chemistry, 10th ed. pp 1289-1376
- ^ "Dielectric Constants Chart". ChemicalLand21. Archived from the original on 29 May 2007. Retrieved 9 June 2007.
- ^ "Tetrachloroethylene". National Toxicology Program. Archived from the original on 15 September 2009. Retrieved 9 June 2007.
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timestamp mismatch; 24 September 2009 suggested (help) - ^ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
- ^ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 9 June 2007.
- ^ a b c "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 9 June 2007.
Except where noted otherwise, data relate to standard ambient temperature and pressure.
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