Peroxide, diethyl
- Formula: C4H10O2
- Molecular weight: 90.1210
- IUPAC Standard InChI: InChI=1S/C4H10O2/c1-3-5-6-4-2/h3-4H2,1-2H3
- IUPAC Standard InChIKey: RHMZKSWPMYAOAZ-UHFFFAOYSA-N
- CAS Registry Number: 628-37-5
- 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: Ethyl peroxide; Diethyl peroxide
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -193. | kJ/mol | Ccb | Baker, Littlefair, et al., 1965 | |
| ΔfH°gas | -200. | kJ/mol | Cm | Rebbert and Laidler, 1952 | |
| ΔfH°gas | -280. | kJ/mol | Ccb | Stathis and Egerton, 1940 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -223. | kJ/mol | Ccb | Baker, Littlefair, et al., 1965 | |
| ΔfH°liquid | -233. | kJ/mol | Cm | Rebbert and Laidler, 1952 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2780. ± 1. | kJ/mol | Ccb | Baker, Littlefair, et al., 1965 | Corresponding ΔfHºliquid = -223. kJ/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -2771. | kJ/mol | Cm | Rebbert and Laidler, 1952 | Corresponding ΔfHºliquid = -233. kJ/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -2697.9 ± 0.84 | kJ/mol | Ccb | Stathis and Egerton, 1940 | Corresponding ΔfHºliquid = -305.3 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 31. | kJ/mol | E | Baker, Littlefair, et al., 1965 | ALS |
| ΔvapH° | 30.0 | kJ/mol | N/A | Baker, Littlefair, et al., 1965 | DRB |
| ΔvapH° | 33.0 | kJ/mol | N/A | Rebbert and Laidler, 1952 | DRB |
| ΔvapH° | 30.5 | kJ/mol | V | Blat, Gerber, et al., 1939 | ALS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 29.0 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 253. to 333. K. See also Egerton, Emte, et al., 1951 and Dykyj, 1971.; AC |
| 29.00 | 253. | V | Egerton, Emte, et al., 1951 | ALS |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Baker, Littlefair, et al., 1965
Baker, G.; Littlefair, J.H.; Shaw, R.; Thynne, J.C.J.,
1286. The heats of formation of dimethyl, diethyl, and di-t-butyl peroxide,
J. Chem. Soc., 1965, 6970-6972. [all data]
Rebbert and Laidler, 1952
Rebbert, R.E.; Laidler, K.J.,
Kinetics of the decomposition of diethyl peroxide,
J. Chem. Phys., 1952, 20, 574-577. [all data]
Stathis and Egerton, 1940
Stathis, E.C.; Egerton, A.C.,
Note on heats of formation of ethyl and propyl peroxides,
Trans. Faraday Soc., 1940, 36, 606. [all data]
Blat, Gerber, et al., 1939
Blat, E.J.; Gerber, M.J.; Neumann, M.B.,
The influence of organic peroxides on the cool flame of butane,
Acta Physicochim. U.R.S.S., 1939, 10, 273-296. [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]
Egerton, Emte, et al., 1951
Egerton, A.C.; Emte, W.; Minkoff, G.J.,
Some properties of organic peroxides,
Faraday Discuss. Chem. Soc., 1951, 10, 278. [all data]
Dykyj, 1971
Dykyj, J.,
Petrochemia, 1971, 11, 2, 27. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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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