Ethane, 1,2-dibromo-
- Formula: C2H4Br2
- Molecular weight: 187.861
- IUPAC Standard InChIKey: PAAZPARNPHGIKF-UHFFFAOYSA-N
- CAS Registry Number: 106-93-4
- 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. - Isotopologues:
- Other names: α,β-Dibromoethane; sym-Dibromoethane; Aadibroom; Bromofume; Dowfume W-8; Dowfume W85; Ethylene bromide; Ethylene dibromide; EDB; Glycol Dibromide; Iscobrome D; Nefis; Sanhyuum; Soilfume; 1,2-Dibromoethane; CH2BrCH2Br; Dibromoethane; Aethylenbromid; Bromuro di etile; Celmide; DBE; 1,2-Dibromaethan; 1,2-Dibromoetano; Dibromure D'ethylene; 1,2-Dibroomethaan; Dowfume 40; Dowfume edb; Dowfume W-90; Dowfume W-100; Dwubromoetan; EDB-85; E-D-Bee; ENT 15,349; 1,2-Ethylene dibromide; Fumo-gas; Kopfume; NCI-C00522; Nephis; Pestmaster edb-85; Rcra waste number U067; Soilbrom; Soilbrom-40; Soilbrom-85; Soilbrom-90; Soilbrom-100; Soilbrome-85; Soilbrom-90ec; UN 1605; Unifume; Edabrom; α,ω-Dibromoethane; 1,2-dibromoethane (EDB)
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Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, References, Notes
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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -1240.3 ± 1.6 | kJ/mol | Ccb | Smith and Bjellerup, 1947 | ALS |
ΔcH°liquid | -1215.7 | kJ/mol | Ccb | Popoff and Schirokich, 1933 | At 288 °K; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 223.30 | J/mol*K | N/A | Pitzer, 1940 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
134.7 | 298.15 | Shehatta, 1993 | DH |
135.0 | 298.15 | Wilhelm, Schano, et al., 1969 | T = 20, 30, 40°C.; DH |
136.4 | 300. | Findenegg, Gruber, et al., 1965 | DH |
134.8 | 293. | D'hont and Jungers, 1949 | DH |
135.14 | 310. | Wuyts and Jungers, 1949 | DH |
134.7 | 398. | Kurbatov, 1948 | T = 16 to 127°C, mean Cp, four temperatures.; DH |
136.0 | 298.15 | Pitzer, 1940 | T = 15 to 300 K.; DH |
129.5 | 300. | Railing, 1939 | T = 90 to 320 K. Data graphically only. Value read from graph.; DH |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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: C2H4Br2 = C2H4Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -13.05 ± 0.52 | kJ/mol | Eqk | Izmailov, Rozhnov, et al., 1974 | gas phase |
ΔrH° | 12.1 ± 1.3 | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1970 | gas phase; Heat of isomerization at 484 K |
By formula: C2H4 + Br2 = C2H4Br2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -120.9 ± 1.3 | kJ/mol | Cm | Conn, Kistiakowsky, et al., 1938 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -121.6 ± 1.3 kJ/mol; At 355 °K |
By formula: C2H4Br2 = HBr + C2H3Br
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 80. ± 2. | kJ/mol | Eqk | Levanova, Rozhnov, et al., 1970 | gas phase |
References
Go To: Top, Condensed phase thermochemistry 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.
Smith and Bjellerup, 1947
Smith, L.; Bjellerup, L.,
Neue Versuche mit beweglicher calorimetrischer Bombe,
Acta Chem. Scand., 1947, 1, 566-570. [all data]
Popoff and Schirokich, 1933
Popoff, M.M.; Schirokich, P.K.,
Ein Calorimeter zum Verbrennen von Chlor- und Bromderivaten,
Z. Phys. Chem. (Leipzig), 1933, 167, 183-187. [all data]
Pitzer, 1940
Pitzer, K.S.,
The heat capacities, heats of transition and fusion, and entropies of ethylene dichloride and ethylene dibromide,
J. Am. Chem. Soc., 1940, 62, 331-335. [all data]
Shehatta, 1993
Shehatta, I.,
Heat capacity at constant pressure of some halogen compounds,
Thermochim. Acta, 1993, 213, 1-10. [all data]
Wilhelm, Schano, et al., 1969
Wilhelm, E.; Schano, R.; Becker, G.; Findenegg, G.H.; Kohler, F.,
Molar heat capacity at constant volume. Binary mixtures of 1,2-dichloroethane and 1,2-dibromoethane with cyclohexane,
Trans. Faraday Soc., 1969, 65, 1443-1455. [all data]
Findenegg, Gruber, et al., 1965
Findenegg, G.H.; Gruber, K.; Pereira, J.F.; Kohler, F.,
Kalorimetrische Messungen an Mischungen von Nichtelektrolyten, 1. Mitt.: Molwarme des Systems 1,2-Dibromathan-Benzol,
Monatsh. Chem., 1965, 96, 669-678. [all data]
D'hont and Jungers, 1949
D'hont, M.; Jungers, J.C.,
La chaleur molaire des 1,1'-dibromethanes et 1,1',2-tribromethanes en phase liquide,
Bull. Soc. Chim. Belg., 1949, 58, 196-204. [all data]
Wuyts and Jungers, 1949
Wuyts, J.; Jungers, J.C.,
Les chaleurs molaires des bibromures de deuteroethylene,
Bull. Soc. Chim. Belg., 1949, 58, 80-86. [all data]
Kurbatov, 1948
Kurbatov, V.Ya.,
Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons,
Zh. Obshch. Kim., 1948, 18, 372-389. [all data]
Railing, 1939
Railing, W.E.,
The specific heat of some ethylene halides,
J. Am. Chem. Soc., 1939, 61, 3349-3353. [all data]
Izmailov, Rozhnov, et al., 1974
Izmailov, V.D.; Rozhnov, A.M.; Sharonov, K.G.,
Equilibrium in the isomerisation of 1,1-dibromoethane and 1,1-dibromopropane,
Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 289-290. [all data]
Levanova, Rozhnov, et al., 1970
Levanova, S.V.; Rozhnov, A.M.; Sedov, S.M.; Starkov, V.Ya.; Manzohos, V.N.,
Equilibrium reactions of dibromoethane,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1970, 13, 62-65. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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