Tetrachloroethylene
- Formula: C2Cl4
- Molecular weight: 165.833
- IUPAC Standard InChI: InChI=1S/C2Cl4/c3-1(4)2(5)6
- IUPAC Standard InChIKey: CYTYCFOTNPOANT-UHFFFAOYSA-N
- CAS Registry Number: 127-18-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Ethene, tetrachloro-; Ethylene, tetrachloro-; Ankilostin; Antisal 1; Didakene; Ethylene tetrachloride; Fedal-Un; Nema; Perchlorethylene; Perchloroethylene; Perclene; PerSec; Tetlen; Tetracap; Tetrachlorethylene; Tetrachloroethene; Tetraguer; Tetraleno; Tetropil; 1,1,2,2-Tetrachloroethylene; C2Cl4; Carbon bichloride; Carbon dichloride; Czterochloroetylen; ENT 1,860; Nema, veterinary; NCI-C04580; Perawin; Perchloorethyleen, per; Perchloraethylen, per; Perchlorethylene, per; Percloroetilene; PERC; Tetrachlooretheen; Tetrachloraethen; Tetracloroetene; Tetralex; Antisol 1; Dow-per; Perchlor; Perclene D; Percosolve; PERK; Perklone; RCRA Waste Number U210; Tetravec; Tetroguer; UN 1897; Dilatin PT; 1,1,2,2-Tetrachloroethene; Freon 1110; Perclene TG; Perchloroethene; F 1110
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Reaction thermochemistry data
Go To: Top, Henry's Law data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
+
By formula: C2HCl5 = C2Cl4 + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 45.1 ± 4.5 | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | liquid phase; GC |
| ΔrH° | 39. | kJ/mol | Eqk | Levanova, Bushneva, et al., 1979 | gas phase |
+
=
By formula: C2Cl4 + Cl2 = C2Cl6
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -153.6 ± 2.5 | kJ/mol | Cm | Kirkbride, 1956 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -150. kJ/mol |
By formula: H2CaO2 + 2C2HCl5 = CaCl2 + 2C2Cl4 + 2H2O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -181.6 | kJ/mol | Cm | Kirkbride, 1956 | liquid phase |
=
+
By formula: C2Cl6 = C2Cl4 + Cl2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 132.6 ± 4.2 | kJ/mol | Eqk | Puyo, Balesdent, et al., 1963 | gas phase |
Henry's Law data
Go To: Top, Reaction thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
| k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.058 | 4800. | L | N/A | |
| 0.070 | 4500. | M | N/A | |
| 0.063 | M | N/A | ||
| 0.056 | 3600. | M | N/A | |
| 0.082 | X | N/A | Value given here as cited in missing citation. | |
| 0.037 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
| 0.062 | 5300. | X | N/A | |
| 0.059 | 5500. | M | N/A | |
| 0.054 | 4400. | X | N/A | |
| 0.057 | 4900. | M | Gossett, 1987 | |
| 0.054 | 4400. | X | N/A | |
| 0.057 | 5100. | X | N/A | |
| 0.065 | 4600. | X | N/A | |
| 0.057 | 5100. | M | N/A | |
| 0.036 | 1500. | X | N/A | |
| 0.061 | 4700. | X | Leighton and Calo, 1981 | |
| 0.044 | L | N/A | ||
| 0.057 | 5200. | X | N/A | |
| 0.040 | 5000. | X | N/A | |
| 0.034 | V | N/A | ||
| 0.040 | V | N/A | Value at T = 293. K. | |
| 0.12 | V | N/A | Value at T = 275. K. | |
| 0.081 | C | N/A | ||
| 0.037 | V | N/A | ||
| 0.050 | M | Pearson and McConnell, 1975 | The same data was also published in missing citation. Value at T = 293. K. |
References
Go To: Top, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Levanova, Bushneva, et al., 1979
Levanova, s.V.; Bushneva, I.I.; Rodova, R.M.; Rozhnov, A.M.; Treger, Yu.A.; Aprelkin, A.S.,
Thermodynamic stability of chloroethanes in dehydrochlorination reactions,
J. Appl. Chem. USSR, 1979, 52, 1439-1442. [all data]
Kirkbride, 1956
Kirkbride, F.W.,
The heats of chlorination of some hydrocarbons and their chloro-derivatives,
J. Appl. Chem., 1956, 6, 11-21. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Puyo, Balesdent, et al., 1963
Puyo, J.; Balesdent, D.; Niclause, M.; Dzierzynski, M.,
Etude analytique et thermodynamique de la pyrolyse de l'hexachloroethane en phase gazeuse.,
Compt. Rend., 1963, 256, 3471-3473. [all data]
Gossett, 1987
Gossett, J.M.,
Measurement of Henry's Law Constants for C1 and C2 Chlorinated Hydrocarbons,
Environ. Sci. Technol., 1987, 21, 202-208. [all data]
Leighton and Calo, 1981
Leighton, D.T.; Calo, J.M.,
Distribution Coefficients of Chlorinated Hydrocarbons in Dilute Air-Water Systems for Groundwater Contamination Applications,
J. Chem. Eng. Data, 1981, 26, 382-385. [all data]
Pearson and McConnell, 1975
Pearson, C.R.; McConnell, G.,
Chlorinated C1 and C2 Hydrocarbons in the Marine Environment,
Proc. R. Soc. London, B, 1975, 189, 305-332. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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