Tetrachloroethylene (data page)

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Template:Short description 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

Template:Chembox header | 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

Template:Chembox header | Phase behavior
Triple point 250.81 K (–22.34 °C), ? Pa
Critical point 620 K (347 °C), 4760 kPa
Std enthalpy change
of fusion, ΔfusHo 		10.88 kJ/mol
Std entropy change
of fusion, ΔfusSo 		43.38 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		34.68 kJ/mol at 121 °C
Std entropy change
of vaporization, ΔvapSo 		102.8 J/(mol·K) at 25 °C
Template:Chembox header | Solid properties
Std enthalpy change
of formation, ΔfHosolid 		? kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Enthalpy of state transition, ΔtrsHo 0.820 kJ/mol (crystal II → crystal I)
–148 °C to –63 °C
Entropy of state transition, ΔtrsSo 5.26 J/(mol K) (crystal II → crystal I)
–148 °C to –63 °C
Heat capacity, cp ? J/(mol K)
Template:Chembox header | Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		–54.4 kJ/mol Standard enthalpy of Formation (gas) -12.4 kJ/mol
Standard molar entropy,
Soliquid 		240.6 J/(mol K)
Enthalpy of combustion, ΔcHo –830 kJ/mol
Heat capacity, cp 146 J/(mol K) at 25 °C
Template:Chembox header | Gas properties
Std enthalpy change
of formation, ΔfHogas 		–12.43 kJ/mol
Standard molar entropy,
Sogas 		343.4 J/(mol K) at 25 °C
Heat capacity, cp 95.51 J/(mol K) at 25 °C

Vapor pressure of liquid

Template:Chembox header | P in mm Hg 1 10 40 100 400 760
Template:Chembox header | 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.Template:Clear

log10 of Tetrachloroethylene vapor pressure. Uses formula: logePmmHg=loge(760101.325)−6.665868loge(T+273.15)−6530.97T+273.15+60.47398+3.522382×10−6(T+273.15)2 obtained from CHERIC[5]

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Distillation data

See also

Vapor-Liquid Equilibrium
of Tetrachloroethylene/Methanol[6]
P = 760 mm Hg
BP
Temp.
°C 		% by mole methanol
liquid vapor
117.2 0.1 7.4
113.2 0.3 21.0
107.7 0.3 33.5
102.7 0.3 44.5
97.6 0.8 53.0
93.0 1.1 58.8
87.0 1.7 66.0
80.5 2.4 72.4
70.2 6.6 80.0
65.3 21.5 83.7
64.4 53.3 84.8
63.9 77.6 85.9
63.5 88.3 88.3
63.6 93.7 91.3
63.8 95.0 92.7
64.2 97.9 95.8
   
Vapor-Liquid Equilibrium
of Tetrachloroethylene/1,2-Dichloroethane[6]
P = 760 mm Hg
BP
Temp.
°C 		% by mole dichloroethane
liquid vapor
117.8 2.0 11.5
114.0 5.0 21.7
110.9 9.2 31.5
108.0 12.0 38.8
106.0 15.0 43.7
103.3 20.0 51.2
100.5 26.4 59.2
98.5 31.1 62.9
95.2 40.0 69.6
93.7 45.0 72.5
92.2 50.0 75.5
89.9 59.4 80.4
88.2 67.9 84.2
86.8 75.0 87.5
85.5 83.8 91.6
84.2 93.8 97.0
   
Vapor-Liquid Equilibrium
of Tetrachloroethylene/Isopropanol[6]
P = 100 kPa
BP
Temp.
°C 		% by mole C2Cl4
liquid vapor
81.7 0.0 0.0
81.6 0.8 1.2
81.5 1.6 2.3
81.4 3.0 4.1
81.3 5.4 6.7
81.2 8.4 9.4
81.1 12.0 12.1
81.1 16.4 14.5
81.3 21.9 17.1
81.5 27.8 19.0
81.8 33.9 20.3
82.2 39.4 21.5
82.6 44.0 22.6
83.0 50.6 23.1
83.4 55.2 24.2
83.8 60.0 24.7
84.4 65.0 25.3
85.0 69.1 26.2
85.6 75.5 27.7
86.8 79.8 29.6
90.1 87.9 35.3
95.1 92.3 42.7
98.0 94.1 48.2
101.6 95.5 54.0
105.9 97.0 62.6
110.2 98.1 72.1
114.7 99.2 85.0
117.6 99.6 92.1
121.0 100.0 100.0

Spectral data

Template:Chembox header | UV-Vis
λmax ? nm
Extinction coefficient, ε ?
Template:Chembox header | IR
Major absorption bands ? cm−1
Template:Chembox header | NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
Template:Chembox header | MS
Masses of
main fragments 		 

Template:Chemical data page general note

References

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  1. ↑ Lange's Handbook of Chemistry, 10th ed. pp 1289-1376
  2. ↑ Template:Cite web
  3. ↑ Template:Cite web
  4. ↑ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
  5. ↑ Template:Cite web
  6. ↑ 6.0 6.1 6.2 Template:Cite web
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