1,2-Dibromopentane
- Formula: C5H10Br2
- Molecular weight: 229.941
- IUPAC Standard InChI: InChI=1S/C5H10Br2/c1-2-3-5(7)4-6/h5H,2-4H2,1H3
- IUPAC Standard InChIKey: CITMYAPULDSOHG-UHFFFAOYSA-N
- CAS Registry Number: 3234-49-9
- 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: Pentane, 1,2-dibromo-
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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:
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 12. | kcal/mol | N/A | Pisarev, Rozhnov, et al., 1975 | Based on data from 350. to 450. K. See also Basarová and Svoboda, 1991.; AC |
| ΔvapH° | 11.8 ± 0.2 | kcal/mol | EB | Pisarev, Rozhnov, et al., 1975 | AC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 11.1 | 363. | A | Stephenson and Malanowski, 1987 | Based on data from 348. to 465. K.; AC |
| 11.7 | 307. | A | Stephenson and Malanowski, 1987 | Based on data from 292. to 448. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 292.9 to 448. | 4.63343 | 1875.567 | -43.328 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pisarev, Rozhnov, et al., 1975
Pisarev, V.V.; Rozhnov, A.M.; Varushchenko, R.M.; Sarkisov, A.G.,
Russ. J. Phys. Chem., 1975, 49, 1450. [all data]
Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav,
Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data,
Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I
. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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