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
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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: 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 |
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
View reactions leading to C4H8O+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.15 | PE | McAlduff and Houk, 1977 | Vertical value |
IR Spectrum
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW- 923 |
NIST MS number | 228812 |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 70. | 587. | Tarjan, Nyiredy, et al., 1989 | |
Capillary | OV-101 | 80. | 587. | Tarjan, Nyiredy, et al., 1989 | |
Capillary | OV-101 | 90. | 588. | Tarjan, Nyiredy, et al., 1989 | |
Capillary | OV-101 | 70. | 587.0 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 80. | 587.4 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 90. | 587.8 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
Packed | Apiezon L | 120. | 566. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 574. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 60. | 551. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Methyl Silicone | 70. | 552. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Methyl Silicone | 80. | 557. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
Packed | Apieson L | 120. | 571. | Kurdina, Markovich, et al., 1969 | not specified, not specified |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 579. | Farkas, Héberger, et al., 2004 | Program: not specified |
Capillary | SPB-1 | 582. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | SPB-1 | 582. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
Capillary | SPB-1 | 600. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: not specified |
Capillary | OV-1 | 600. | Ramsey and Flanagan, 1982 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 878. | Duque, Bonilla, et al., 2001 | 30. m/0.25 mm/0.25 μm, Helium, 4. K/min, 220. C @ 30. min; Tstart: 25. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 840. | Ramsey and Flanagan, 1982 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, 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]
McAlduff and Houk, 1977
McAlduff, E.J.; Houk, K.N.,
Photoelectron spectra of substituted oxiranes and thiiranes. Substituent effects on ionization potentials involving σ orbitals,
Can. J. Chem., 1977, 55, 318. [all data]
Tarjan, Nyiredy, et al., 1989
Tarjan, G.; Nyiredy, Sz.; Gyor, M.; Lombosi, E.R.; Lombosi, T.S.; Budahegyi, M.V.; Meszaros, S.Y.; Takacs, J.M.,
Review. Thirtieth Anniversary of the Retention Index According to Kovats in Gas-Liquid Chromatography,
J. Chromatogr., 1989, 472, 1-92, https://doi.org/10.1016/S0021-9673(00)94099-8
. [all data]
Boneva and Dimov, 1987
Boneva, S.; Dimov, N.,
Gas chromatographic separation of C4-C5 epoxides on a glass capillary column coated with OV-101 methylsilicone,
Chromatographia, 1987, 23, 10, 770-772, https://doi.org/10.1007/BF02312672
. [all data]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Cao and Zhang, 2006
Cao, J.; Zhang, H.,
Inquire into qualitative analysis of epoxyalkyl isomeride,
Contemporary Chem. Ind. (Chinese), 2006, 35, 5, 374-377. [all data]
Kurdina, Markovich, et al., 1969
Kurdina, Z.G.; Markovich, V.E.; Sakharov, V.M.,
Gas chromatography of cyclic O-containing compounds
in Gas chromatography, Issue # 10, NIITEKhim, Moscow, 1969, 128-133. [all data]
Farkas, Héberger, et al., 2004
Farkas, O.; Héberger, K.; Zenkevich, I.G.,
Quantitative structure-retention relationships. XIV. Prediction of gas chromatographic retention indices for saturated O-, N-, and S-heterocyclic compounds,
Chemom. Intell. Lab. Syst., 2004, 72, 2, 173-184, https://doi.org/10.1016/j.chemolab.2004.01.012
. [all data]
Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D.,
Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [all data]
Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J.,
Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning,
Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111
. [all data]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [all data]
Duque, Bonilla, et al., 2001
Duque, C.; Bonilla, A.; Bautista, E.; Zea, S.,
Exudation of low molecular wight compounds (thiobismethane, methyl isocyanide, amd methyl isothiocyanate) as a possible chemical defense mechanism in the marine sponge Ircinia felix,
Biochem. Systematics Ecol., 2001, 29, 5, 459-467, https://doi.org/10.1016/S0305-1978(00)00081-8
. [all data]
Notes
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- 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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