cis 1-bromo-1-butene
- Formula: C4H7Br
- Molecular weight: 135.002
- IUPAC Standard InChI: InChI=1S/C4H7Br/c1-2-3-4-5/h3-4H,2H2,1H3/b4-3-
- IUPAC Standard InChIKey: IUXHPSPHPKXTPA-ARJAWSKDSA-N
- CAS Registry Number: 31849-78-2
- 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. - Stereoisomers:
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 359.30 | K | N/A | Timmermans, 1927 | Uncertainty assigned by TRC = 0.4 K; source of data not clear; TRC |
| Tboil | 366. | K | N/A | Kirrmann, 1926 | Uncertainty assigned by TRC = 8. K; cis or trans not identified; TRC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 35.1 | 295. | A | Stephenson and Malanowski, 1987 | Based on data from 280. to 397. K. See also Dykyj, 1971.; AC |
| 36.5 | 244. | N/A | Stull, 1947 | Based on data from 229. to 359. K.; AC |
Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
By formula: C4H7Br = C4H7Br
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1.46 | kJ/mol | Eqk | Sharonov, Rozhnov, et al., 1975 | gas phase |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Timmermans, 1927
Timmermans, J.,
The Melting Point of Organic Substances,
Bull. Soc. Chim. Belg., 1927, 36, 502. [all data]
Kirrmann, 1926
Kirrmann, A.,
The Reaction of Magnesium with Propylene Dibromide,
C. R. Hebd. Seances Acad. Sci., 1926, 182, 1629-31. [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]
Dykyj, 1971
Dykyj, J.,
Petrochemia, 1971, 11, 2, 27. [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]
Sharonov, Rozhnov, et al., 1975
Sharonov, K.G.; Rozhnov, A.M.; Brezhneva, V.G.; Shishinova, V.I.,
Equilibrium of isomerization of geometric forms of 1-bromo-1-butene and 2-bromo-2-butene,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1975, 18, 786-788. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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