Benzene, pentachloro-
- Formula: C6HCl5
- Molecular weight: 250.337
- IUPAC Standard InChIKey: CEOCDNVZRAIOQZ-UHFFFAOYSA-N
- CAS Registry Number: 608-93-5
- 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: Pentachlorobenzene; 1,2,3,4,5-Pentachlorobenzene; QCB; PCP; Rcra waste number U183
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Phase change data
Go To: Top, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 550.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 357.7 | K | N/A | Miller, Ghodbane, et al., 1984 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 357.00 | K | N/A | Sabbah and An, 1991 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 67.7 | kJ/mol | GC | Spieksma, Luijk, et al., 1994 | Based on data from 413. to 453. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 87.1 ± 0.4 | kJ/mol | C | Sabbah and An, 1991 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
66.0 | 357. | N/A | Rohác, Ruzicka, et al., 1999 | AC |
62.1 | 386. | A | Stephenson and Malanowski, 1987 | Based on data from 371. to 549. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
371.8 to 549. | 5.43997 | 2789.896 | -36.202 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.100 | 357.00 | Sabbah and An, 1991 | DH |
20.6 | 357.7 | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
56.3 | 357.00 | Sabbah and An, 1991 | DH |
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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
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]
Sabbah and An, 1991
Sabbah, R.; An, X.W.,
Etude thermodynamique des chlorobenzenes,
Thermochim. Acta, 1991, 179, 81-88. [all data]
Spieksma, Luijk, et al., 1994
Spieksma, Walter; Luijk, Ronald; Govers, Harrie A.J.,
Determination of the liquid vapour pressure of low-volatility compounds from the Kováts retention index,
Journal of Chromatography A, 1994, 672, 1-2, 141-148, https://doi.org/10.1016/0021-9673(94)80602-0
. [all data]
Rohác, Ruzicka, et al., 1999
Rohác, Vladislav; Ruzicka, Vlastimil; Ruzicka, Kvetoslav; Polednicek, Milos; Aim, Karel; Jose, Jacques; Zábranský, Milan,
Recommended vapour and sublimation pressures and related thermal data for chlorobenzenes,
Fluid Phase Equilibria, 1999, 157, 1, 121-142, https://doi.org/10.1016/S0378-3812(99)00003-5
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions 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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