Butane, 1,2-dibromo-
- Formula: C4H8Br2
- Molecular weight: 215.914
- IUPAC Standard InChI: InChI=1S/C4H8Br2/c1-2-4(6)3-5/h4H,2-3H2,1H3
- IUPAC Standard InChIKey: CZWSZZHGSNZRMW-UHFFFAOYSA-N
- CAS Registry Number: 533-98-2
- 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. - Other names: α-Butylene dibromide; 1,2-Dibromobutane; α-Butylene bromide
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -22.21 | kcal/mol | Eqk | Rozhnov and Nesterova, 1973 | |
| ΔfH°gas | -24.43 ± 0.58 | kcal/mol | Ccr | Bjellerup, 1961 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, 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
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: C4H8 + Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -28.90 | kcal/mol | Cm | Lister, 1941 | gas phase; Heat of bromination at 300 K |
| ΔrH° | -29.44 ± 0.20 | kcal/mol | Cm | Conn, Kistiakowsky, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -29.59 ± 0.20 kcal/mol; At 355 °K |
=
By formula: C4H8Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1.43 ± 0.06 | kcal/mol | Eqk | Rozhnov, Nesterova, et al., 1972 | liquid phase |
=
By formula: C4H8Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1.99 ± 0.07 | kcal/mol | Eqk | Nesterova, Rozhnov, et al., 1973 | liquid phase |
=
By formula: C4H8Br2 = C4H8Br2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -0.4 ± 0.1 | kcal/mol | Eqk | Rozhnov, Nesterova, et al., 1972 | liquid phase |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1330, AND 10% IN CS2 FOR 1330-430 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Squalane | 115. | 943. | Lafosse and Thuaud-Chourrout, 1975 | Column length: 100. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Apiezon L | 130. | 960. | Arruda, Junkes, et al., 2008 |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-PONA | 944. | Liu and Yang, 2003 | 50. m/0.20 mm/0.50 μm, 35. C @ 8. min, 3.5 K/min, 230. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Methyl Silicone | 946. | Zenkevich and Marinichev, 2001 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rozhnov and Nesterova, 1973
Rozhnov, A.M.; Nesterova, T.N.,
Heats of formation of dibromo-n-butanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 1390, In original 2455. [all data]
Bjellerup, 1961
Bjellerup, L.,
On the accuracy of heat of combustion data obtained with a precision moving-bomb calorimetric method for organic bromine compounds,
Acta Chem. Scand., 1961, 15, 121-140. [all data]
Lister, 1941
Lister, M.W.,
Heats of organic reactions. X. Heats of bromination of cyclic olefins,
J. Am. Chem. Soc., 1941, 63, 143-149. [all data]
Conn, Kistiakowsky, et al., 1938
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A.,
Heats of organic reactions. VII. Addition of halogens to olefins,
J. Am. Chem. Soc., 1938, 60, 2764-2771. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Rozhnov, Nesterova, et al., 1972
Rozhnov, A.M.; Nesterova, T.N.; Kovaleva, T.V.,
Isomerization of dibromobutanes. I. Isomerization of 1,2-, 1,3-, and 1,4-dibromobutanes.,
Zh. Org. Khim., 1972, 8, 1560-1564. [all data]
Nesterova, Rozhnov, et al., 1973
Nesterova, T.N.; Rozhnov, A.M.; Kovaleva, T.V.,
Isomerisation equilibrium of 1,2-, 1,3-, and 2,3-dibromobutanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 755-756. [all data]
Lafosse and Thuaud-Chourrout, 1975
Lafosse, M.; Thuaud-Chourrout, N.,
Etude du comportement de composés halogénés et mèthoxylés en CG dans le cas de quatre phases stationnaires liquides pouvant former des liaisons de type donneur-accepteur d'électrons avec les groupes fonctionnels de ces composés,
Chromatographia, 1975, 8, 4, 195-202, https://doi.org/10.1007/BF02274456
. [all data]
Arruda, Junkes, et al., 2008
Arruda, A.C.S.; Junkes, B. da.S.; Souza, E.S.; Yunes, R.A.; Heizen, V.E.F.,
Semi-Emlirical Topological Index to Predict Properties of Halogenated Aliphatic Compounds,
J. Chemometrics, 2008, 22, 3-4, 186-194, https://doi.org/10.1002/cem.1121
. [all data]
Liu and Yang, 2003
Liu, Y.; Yang, H.,
Detailed alkene determination by bromination and gas chromatography with atomic emission detection. I. identification of the bromoalkenes/bromoalkanes in brominated gasoline,
Se Pu - Chinese Journal of Chromatography, 2003, 21, 1, 1-8. [all data]
Zenkevich and Marinichev, 2001
Zenkevich, I.G.; Marinichev, A.N.,
Comparison of Topological and Dynamics Molecular Characteristics for Precalculation of Chromatographic Retention Parameters of Organic Compounds (in Russian),
Zh. Struct. Khim., 2001, 42, 5, 893-902. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.