Phenol, 2,5-dichloro-
- Formula: C6H4Cl2O
- Molecular weight: 163.001
- IUPAC Standard InChIKey: RANCECPPZPIPNO-UHFFFAOYSA-N
- CAS Registry Number: 583-78-8
- 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: 2,5-Dichlorophenol
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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 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 484.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 331.0 | K | N/A | Poeti, Faneli, et al., 1982 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 332. | K | N/A | Galat, 1952 | Uncertainty assigned by TRC = 5. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.6 ± 0.02 | kcal/mol | GS | Verevkin, Emel'yanenko, et al., 2007 | Based on data from 333. to 361. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 18.5 ± 0.02 | kcal/mol | GS | Verevkin, Emel'yanenko, et al., 2007 | Based on data from 294. to 327. K.; AC |
ΔsubH° | 17.6 ± 0.50 | kcal/mol | C | Ribeiro Da Silva, Ferrao, et al., 1994 | HCl (1:600 H2O); ALS |
ΔsubH° | 17.6 ± 0.50 | kcal/mol | C | da Silva, 1994 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.7 | 347. | GS | Verevkin, Emel'yanenko, et al., 2007 | Based on data from 333. to 361. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.3619 | 331.0 | Poeti, Fanelli, et al., 1982 | DH |
5.361 | 331. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.20 | 331.0 | Poeti, Fanelli, et al., 1982 | 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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Poeti, Faneli, et al., 1982
Poeti, G.; Faneli, E.; Braghetti, M.J.,
A differential scanning calorimetric study of some phenol derivatives,
Therm. Anal., 1982, 24, 2, 273, https://doi.org/10.1007/BF01913681
. [all data]
Galat, 1952
Galat, A.,
The Preparation of 2,3,5-Trichlorophenoxyacetic acid (2,4,5-T),
J. Am. Chem. Soc., 1952, 74, 3890-1. [all data]
Verevkin, Emel'yanenko, et al., 2007
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.; Klamt, Andreas,
Thermochemistry of Chlorobenzenes and Chlorophenols: Ambient Temperature Vapor Pressures and Enthalpies of Phase Transitions,
J. Chem. Eng. Data, 2007, 52, 2, 499-510, https://doi.org/10.1021/je060429r
. [all data]
Ribeiro Da Silva, Ferrao, et al., 1994
Ribeiro Da Silva, M.A.V.; Ferrao, M.L.C.C.H.; Jiye, F.,
Standard enthalpies of combustion of the six dichlorophenols by rotating-bomb calorimetry,
J. Chem. Thermodyn., 1994, 26, 839-846. [all data]
da Silva, 1994
da Silva, M.,
Standard enthalpies of combustion of the six dichlorophenols by rotating-bomb calorimetry,
The Journal of Chemical Thermodynamics, 1994, 26, 8, 839-846, https://doi.org/10.1006/jcht.1994.1100
. [all data]
Poeti, Fanelli, et al., 1982
Poeti, G.; Fanelli, E.; Braghetti, M.,
A differential scanning calorimetric study of some phenol derivatives,
J. Therm. Anal., 1982, 24(2), 273-279. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point 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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