Butane, 2,3-dibromo-
- Formula: C4H8Br2
- Molecular weight: 215.914
- IUPAC Standard InChIKey: BXXWFOGWXLJPPA-UHFFFAOYSA-N
- CAS Registry Number: 5408-86-6
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: 2,3-Dibromobutane; β-Butylene bromide; DL-2,3-Dibromobutane
- Information on this page:
- Other data available:
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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
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 431. | K | N/A | Pauling, Springall, et al., 1939 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 431.15 | K | N/A | Coffin and Maass, 1928 | Uncertainty assigned by TRC = 1.5 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
378.7 | 0.211 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.00 | 295. | V | Trieschmann, 1936 | ALS |
Reaction thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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: 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° | -0.51 ± 0.02 | kcal/mol | Eqk | Nesterova, Rozhnov, et al., 1973 | liquid phase |
By formula: C4H8Br2 = C4H8Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.2 ± 0.2 | kcal/mol | Eqk | Nesterova, Rozhnov, et al., 1973, 2 | gas phase |
IR Spectrum
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID (NEAT); BAIRD (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1333, AND 10% IN CS2 FOR 1333-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Mass spectrum (electron ionization)
Go To: Top, Phase change 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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 10022 |
References
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pauling, Springall, et al., 1939
Pauling, L.; Springall, H.D.; Palmer, K.J.,
The Electron Diffraction Investigation of Methylacetylene, Dimethyl- acetylene, Dimethyldiacetylene, Methyl Cyanide, Diacetylene and Cyanogen cyanogen,
J. Am. Chem. Soc., 1939, 61, 927-8. [all data]
Coffin and Maass, 1928
Coffin, C.C.; Maass, O.,
The Preparation and Physical Properties of α-,β- and γ-Butylene and Normal and Isobutane,
J. Am. Chem. Soc., 1928, 50, 1427-37. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Trieschmann, 1936
Trieschmann, H.G.,
Untersuchungen uber zwischenmolekulare kraftwirkungen an den isomeren 2,3-dibrombutane,
Z. Phys. Chem., 1936, 33, 283-289. [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]
Nesterova, Rozhnov, et al., 1973, 2
Nesterova, T.N.; Rozhnov, A.M.; Borodenko, N.A.,
Equilibrium of 2,2- and 2,3-dibromobutane isomerization,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1973, 16, 1216-1218. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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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