Oxirane, ethyl-
- Formula: C4H8O
- Molecular weight: 72.1057
- IUPAC Standard InChIKey: RBACIKXCRWGCBB-UHFFFAOYSA-N
- CAS Registry Number: 106-88-7
- 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:
- Other names: Butane, 1,2-epoxy-; α-Butylene oxide; n-Butene-1,2-oxide; But-1-ene oxide; Ethylethylene oxide; Ethyloxirane; 1-Butene oxide; 1-Butylene oxide; 1,2-Butene oxide; 1,2-Butylene oxide; 1,2-Epoxybutane; 2-Ethyloxirane; Butylene oxide; Ethylene oxide, ethyl-; NCI-C55527; 1,2-Monoepoxybutane; Epoxybutane; (.+/-.)-2-Ethyloxirane; DL-1,2-Epoxybutane; NSC 24240; Oxirane, 2-ethyl-
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°gas | 77.445 | cal/mol*K | N/A | Chao J., 1986 |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.07 | 200. | Chao J., 1986 | p=1 bar. |
21.20 | 273.15 | ||
22.75 ± 0.029 | 298.15 | ||
22.87 | 300. | ||
29.195 | 400. | ||
34.866 | 500. | ||
39.603 | 600. | ||
43.516 | 700. | ||
46.795 | 800. | ||
49.551 | 900. | ||
51.879 | 1000. | ||
53.920 | 1100. | ||
55.641 | 1200. | ||
57.146 | 1300. | ||
58.413 | 1400. | ||
59.632 | 1500. |
Condensed 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°liquid | -40.36 ± 0.61 | kcal/mol | Ccb | Moureu and Dode, 1937 | Reanalyzed by Cox and Pilcher, 1970, Original value = -40.5 kcal/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -609.10 ± 0.61 | kcal/mol | Ccb | Moureu and Dode, 1937 | Reanalyzed by Cox and Pilcher, 1970, Original value = -609.0 kcal/mol; Corresponding ΔfHºliquid = -40.36 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 336.5 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 335.9 | K | N/A | Moureu and Dode, 1937, 2 | Uncertainty assigned by TRC = 1. K; TRC |
Tboil | 334. | K | N/A | Levene and Mikeska, 1929 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 143.87 | K | N/A | Wilhoit, Chao, et al., 1985 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 143.87 | K | N/A | Douslin, Good, et al., 1973 | Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.90 | 269. | A | Stephenson and Malanowski, 1987 | Based on data from 254. to 347. K.; AC |
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.
Chao J., 1986
Chao J.,
Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties,
J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]
Moureu and Dode, 1937
Moureu, H.; Dode, M.,
Chaleurs de formation de l'oxyde d'ethylene, de l'ethanediol et de quelques homologues,
Bull. Soc. Chim. France, 1937, 4, 637-647. [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]
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]
Moureu and Dode, 1937, 2
Moureu, H.; Dode, M.,
Heats of Formation of Ethylene Oxide, of Ethandiol and oof Several Homologs,
Bull. Soc. Chim. Fr., 1937, 4, 637-47. [all data]
Levene and Mikeska, 1929
Levene, P.A.; Mikeska, L.A.,
Walden Inversion XIII. The Influence of Susbstituting Groups on Optical Rotation in the Series of Disubstituted Acetic Acids,
J. Biol. Chem., 1929, 84, 571. [all data]
Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R.,
Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases,
J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]
Douslin, Good, et al., 1973
Douslin, D.R.; Good, W.D.; Finke, H.L.; Messerly, J.F.; Osborn, A.G.; Harrison, R.H.; Moore, R.T.,
Thermodynamic Properties of Organic Derivatives of the Lighter Elements and Thermodynamic Propoerties of Fluids, NTIS AD760156, U.S. Dept. Comm., Springfield, 1973. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions Tboil Boiling point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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