1,1'-Biphenyl, 2,2',3,3',4,4',6-heptachloro-
- Formula: C12H3Cl7
- Molecular weight: 395.323
- IUPAC Standard InChI: InChI=1S/C12H3Cl7/c13-5-2-1-4(9(16)10(5)17)8-6(14)3-7(15)11(18)12(8)19/h1-3H
- IUPAC Standard InChIKey: TZMHVHLTPWKZCI-UHFFFAOYSA-N
- CAS Registry Number: 52663-71-5
- 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',3,3',4,4',6-Heptachloro-1,1'-biphenyl; 2,2',3,3',4,4',6-Heptachlorobiphenyl; PCB 171
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Phase change data
Go To: Top, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 395.4 | K | N/A | Miller, Ghodbane, et al., 1984 | Uncertainty assigned by TRC = 0.2 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 109.1 | kJ/mol | CGC | Puri, Chickos, et al., 2001 | AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 95.9 | 368. | GC | Falconer and Bidleman, 1994 | Based on data from 343. to 393. K.; AC |
Gas Chromatography
Go To: Top, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Apolane | 2439. | Bush, Murphy, et al., 1985 | He; Column length: 50. m; Column diameter: 0.25 mm; Program: 70 0C (2 min) 10 0C/min (6 min) 2 0C/min -> 250 0C |
| Capillary | Apolane | 2440. | Bush, Murphy, et al., 1985 | He; Column length: 50. m; Column diameter: 0.25 mm; Program: 70 0C (2 min) 10 0C/min (6 min) 2 0C/min -> 250 0C |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Miller, Ghodbane, et al., 1984
Miller, M.M.; Ghodbane, S.; Wasik, S.P.; Tewari, Y.B.; Martire, D.E.,
Aqueous Solubilities, Octanol/Water Partition Coefficients, and Entropies of Melting of Chlorinated Benzenes and Biphenyls,
J. Chem. Eng. Data, 1984, 29, 184-190. [all data]
Puri, Chickos, et al., 2001
Puri, Swati; Chickos, James S.; Welsh, William J.,
Determination of Vaporization Enthalpies of Polychlorinated Biphenyls by Correlation Gas Chromatography,
Anal. Chem., 2001, 73, 7, 1480-1484, https://doi.org/10.1021/ac001246p
. [all data]
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]
Bush, Murphy, et al., 1985
Bush, B.; Murphy, M.J.; Connor, S.; Snow, J.; Barnard, E.,
Improvements in Glass Capillary Gas Chromatographic Polychlorobiphenyl Analysis,
J. Chromatogr. Sci., 1985, 23, 11, 509-515, https://doi.org/10.1093/chromsci/23.11.509
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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