1,1'-Biphenyl, 2,2',5,5'-tetrachloro-
- Formula: C12H6Cl4
- Molecular weight: 291.988
- IUPAC Standard InChI: InChI=1S/C12H6Cl4/c13-7-1-3-11(15)9(5-7)10-6-8(14)2-4-12(10)16/h1-6H
- IUPAC Standard InChIKey: HCWZEPKLWVAEOV-UHFFFAOYSA-N
- CAS Registry Number: 35693-99-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 2,2',5,5'-Tetrachloro-1,1'-biphenyl; 2,2',5,5'-Tetrachlorobiphenyl; 2,2',5,5'-TCB; 2,5,2',5'-Tetrachlorobiphenyl; PCB-52
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 80.8 | 368. | GC | Falconer and Bidleman, 1994 | Based on data from 343. - 398. K. |
| 79. | 398. | GC | Hinckley, Bidleman, et al., 1990 | Based on data from 343. - 453. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 102.0 ± 0.5 | 338. | ME | Nakajoh, Shibata, et al., 2005 | Based on data from 323. - 353. K. |
| 94.6 | 308. | GS | Westcott, Simon, et al., 1981 | Based on data from 303. - 312. K. |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Falconer and Bidleman, 1994
Falconer, Renee L.; Bidleman, Terry F.,
Vapor pressures and predicted particle/gas distributions of polychlorinated biphenyl congeners as functions of temperature and ortho-chlorine substitution,
Atmospheric Environment, 1994, 28, 3, 547-554, https://doi.org/10.1016/1352-2310(94)90130-9
. [all data]
Hinckley, Bidleman, et al., 1990
Hinckley, Daniel A.; Bidleman, Terry F.; Foreman, William T.; Tuschall, Jack R.,
Determination of vapor pressures for nonpolar and semipolar organic compounds from gas chromatograhic retention data,
J. Chem. Eng. Data, 1990, 35, 3, 232-237, https://doi.org/10.1021/je00061a003
. [all data]
Nakajoh, Shibata, et al., 2005
Nakajoh, Katsuhiko; Shibata, Etsuro; Todoroki, Tomohiro; Ohara, Atsushi; Nishizawa, Katsushi; Nakamura, Takashi,
VAPOR PRESSURE OF TEN POLYCHLORINATED BIPHENYL CONGENERS AND TWO COMMERCIAL FLUIDS AS A FUNCTION OF TEMPERATURE,
Environ Toxicol Chem, 2005, 24, 7, 1602, https://doi.org/10.1897/04-381R.1
. [all data]
Westcott, Simon, et al., 1981
Westcott, John W.; Simon, Charles G.; Bidleman, Terry F.,
Determination of polychlorinated biphenyl vapor pressures by a semimicro gas saturation method,
Environ. Sci. Technol., 1981, 15, 11, 1375-1378, https://doi.org/10.1021/es00093a012
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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