Dibenzo[b,e][1,4]dioxin, 2,3-dichloro-
- Formula: C12H6Cl2O2
- Molecular weight: 253.081
- IUPAC Standard InChI: InChI=1S/C12H6Cl2O2/c13-7-5-11-12(6-8(7)14)16-10-4-2-1-3-9(10)15-11/h1-6H
- IUPAC Standard InChIKey: YCIYTXRUZSDMRZ-UHFFFAOYSA-N
- CAS Registry Number: 29446-15-9
- 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: Dibenzo-p-dioxin, 2,3-dichloro-; 2,3-Dichlorodibenzo-p-dioxin; 2,3-Dichlorodibenzodioxin; 2,3-Dichlorodibenzo-para-dioxin; 2,3-Dichlorodibenzo[b,e] [1,4]dioxin
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 108.6 ± 1.0 | kJ/mol | C | Kolesov, Dorofeeva, et al., 1999 | |
| ΔsubH° | 108.6 ± 1.0 | kJ/mol | N/A | Papina, Kolesov, et al., 1998 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 106.2 ± 1.1 | 358. | ME | Li, Shibata, et al., 2004 | Based on data from 338. - 378. K. |
| 107.2 ± 0.8 | 358. | C | Papina, Kolesov, et al., 1998 | |
| 106.2 | 340. | T | Rordorf, 1989 | Based on data from 306. - 374. K. See also Rordorf, 1986. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference |
|---|---|---|
| 27.1 | 431.6 | Kolesov, Dorofeeva, et al., 1999 |
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.
Kolesov, Dorofeeva, et al., 1999
Kolesov, Victor P.; Dorofeeva, Olga V.; Iorish, Vladimir S.; Papina, Tatiana S.; Lukyanova, Vera A.; Melkhanova, Svetlana V.,
Experimental measurements and a group additivity approach for estimating the standard molar enthalpies of formation of dioxins,
Mendeleev Communications, 1999, 9, 4, 143-144, https://doi.org/10.1070/MC1999v009n04ABEH001074
. [all data]
Papina, Kolesov, et al., 1998
Papina, T.S.; Kolesov, V.P.; Lukyanova, V.A.; Golovkov, V.F.; Chernov, C.A.; Vorobieva, V.P.,
The standard molar enthalpy of formation of 2,3-dichlorodibenzo-p-dioxin,
J. Chem. Thermodyn., 1998, 30, 431-436. [all data]
Li, Shibata, et al., 2004
Li, Xian-Wei; Shibata, Etsuro; Kasai, Eiki; Nakamura, Takashi,
VAPOR PRESSURES AND ENTHALPIES OF SUBLIMATION OF 17 POLYCHLORINATED DIBENZO-p-DIOXINS AND FIVE POLYCHLORINATED DIBENZOFURANS,
Environ Toxicol Chem, 2004, 23, 2, 348-808, https://doi.org/10.1897/03-193
. [all data]
Rordorf, 1989
Rordorf, Berchtold F.,
Prediction of vapor pressures, boiling points and enthalpies of fusion for twenty-nine halogenated dibenzo-p-dioxins and fifty-five dibenzofurans by a vapor pressure correlation method,
Chemosphere, 1989, 18, 1-6, 783-788, https://doi.org/10.1016/0045-6535(89)90196-3
. [all data]
Rordorf, 1986
Rordorf, Berchtold F.,
Thermal properties of dioxins, furans and related compounds,
Chemosphere, 1986, 15, 9-12, 1325-1332, https://doi.org/10.1016/0045-6535(86)90407-8
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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