Propane, 1,2-dibromo-2-methyl-
- Formula: C4H8Br2
- Molecular weight: 215.914
- IUPAC Standard InChI: InChI=1S/C4H8Br2/c1-4(2,6)3-5/h3H2,1-2H3
- IUPAC Standard InChIKey: SDTXSEXYPROZSZ-UHFFFAOYSA-N
- CAS Registry Number: 594-34-3
- 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: Isobutylene bromide; 1,2-Dibromo-2-methylpropane; 1,2-Dibromoisobutane
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Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
=
By formula: C4H8Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -8.8 ± 0.3 | kJ/mol | Eqk | Rozhnov, Nesterova, et al., 1975 | liquid phase; Gas phase isomerization |
=
+
By formula: C4H8Br2 = HBr + C4H7Br
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 75.3 | kJ/mol | Cm | Levanova, Rozhnov, et al., 1975 | gas phase; Dehydrohalogenation |
=
+
By formula: C4H8Br2 = C4H8 + Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 139.7 ± 0.46 | kJ/mol | Cm | Sunner and Wulff, 1974 | liquid phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rozhnov, Nesterova, et al., 1975
Rozhnov, A.M.; Nesterova, T.N.; Mukovnina, G.S.,
Equilibrium in the isomerisation of dibromoalkanes. II. Isomerisation of dibromoisobutanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1975, 49, 1675-1676. [all data]
Levanova, Rozhnov, et al., 1975
Levanova, S.V.; Rozhnov, A.M.; Plaksina, T.V.; Anisimova, Z.I.,
Dehydrohalogenation of some dihalo derivatives of isobutane,
Russ. J. Phys. Chem. (Engl. Transl.), 1975, 49, 1440-1441. [all data]
Sunner and Wulff, 1974
Sunner, S.; Wulff, C.A.,
The enthalpy of formation of 1,1-dibromo-2-methylpropane,
J. Chem. Thermodyn., 1974, 6, 287-292. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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