Butane, 1,4-dibromo-
- Formula: C4H8Br2
- Molecular weight: 215.914
- IUPAC Standard InChIKey: ULTHEAFYOOPTTB-UHFFFAOYSA-N
- CAS Registry Number: 110-52-1
- 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: Tetramethylene dibromide; 1,4-Dibromobutane; BrCH2CH2CH2CH2Br; DBB; 1,4-Dibrombutan; 1,4-Butylene bromide; Dibromo-1,4 butane
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Gas phase 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -85.98 | kJ/mol | Eqk | Rozhnov and Nesterova, 1973 |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 470.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 466. | K | N/A | Kolesnikov and Korshak, 1951 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 471. | K | N/A | Henry, 1901 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 252.1 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 53.09 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 52.6 | kJ/mol | GC | Carson, Laye, et al., 1994 | AC |
ΔvapH° | 53.05 | kJ/mol | E | Rozhnov and Nesterova, 1973 | ALS |
ΔvapH° | 53.09 ± 0.12 | kJ/mol | C | Wadso, 1968 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
337.2 | 0.008 | Aldrich Chemical Company Inc., 1990 | BS |
338. | 0.008 | Farchan Laboratories, 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
51.4 | 390. | A | Stephenson and Malanowski, 1987 | Based on data from 375. to 520. K. See also Dykyj, 1971.; AC |
49.4 | 320. | N/A | Stull, 1947 | Based on data from 305. to 470. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
305. to 470.7 | 4.61059 | 1989.924 | -39.057 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.15 | PI | Staley, Wieting, et al., 1977 | |
10.27 | PE | Gounelle, Menard, et al., 1975 | Vertical value |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C4H8Br+ | 10.15 | Br | PI | Staley, Wieting, et al., 1977 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Kolesnikov and Korshak, 1951
Kolesnikov, G.S.; Korshak, V.V.,
High Molecular Weight Compounds XLII Transarylation Reaction of Diarylalkenes,
Izv. Akad. Nauk SSSR, 1951, 1951, 761-70. [all data]
Henry, 1901
Henry, L.,
Adiponitrile,
Rec. Trav. Chim. Pays-Bas, 1901, 21, 1. [all data]
Timmermans, 1922
Timmermans, J.,
Investigation of the Freezing Point of Organic Substances VII,
Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Carson, Laye, et al., 1994
Carson, A.S.; Laye, P.G.; Pedley, J.B.; Welsby, A.M.; Chickos, J.S.; Hosseini, S.,
The enthalpies of formation of iodoethane, 1,2-diiodoethane, 1,3-diiodopropane, and 1,4-diiodobutane,
J. Chem. Thermodyn., 1994, 26, 1103-1109. [all data]
Wadso, 1968
Wadso, I.,
Heats of vaporization of organic compounds II. Chlorides, bromides, and iodides,
Acta Chem. Scand., 1968, 22, 2438. [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]
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [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]
Staley, Wieting, et al., 1977
Staley, R.H.; Wieting, R.D.; Beauchamp, J.L.,
Carbenium ion stabilities in the gas phase and solution. An ion cyclotron resonance study of bromide transfer reactions involving alkali ions, alkyl carbenium ions, acyl cations and cyclic halonium ions,
J. Am. Chem. Soc., 1977, 99, 5964. [all data]
Gounelle, Menard, et al., 1975
Gounelle, Y.; Menard, C.; Pechine, J.M.; Solgadi, D.; Menes, F.; Botter, R.,
Conformational effects on ionization potentials; Photoelectron spectra of dibromo- and bromofluoro- alkyl compounds,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 247. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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