Butane, 1-ethoxy-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: PZHIWRCQKBBTOW-UHFFFAOYSA-N
- CAS Registry Number: 628-81-9
- 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: Ether, butyl ethyl; Butyl ethyl ether; Ethyl butyl ether; Ethyl n-butyl ether; 1-Ethoxybutane; n-C4H9OC2H5; n-Butyl ethyl ether; Ether ethylbutylique; UN 1179
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Phase change data
Go To: Top, Gas phase ion energetics 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:
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 | 364.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 365.4 | K | N/A | Majer and Svoboda, 1985 | |
Tboil | 365.2 | K | N/A | Spurr and Zeitlin, 1950 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 365.5 | K | N/A | Norris and Rigby, 1932 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tboil | 365.9 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.15 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 531. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.702 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 8.68 ± 0.02 | kcal/mol | C | Majer, Wagner, et al., 1980 | AC |
ΔvapH° | 8.72 | kcal/mol | N/A | Ambrose, Ellender, et al., 1976 | Based on data from 311. to 365. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.560 | 365.4 | N/A | Majer and Svoboda, 1985 | |
8.41 | 326. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 311. to 365. K. See also Ambrose, Ellender, et al., 1976, Cidlinský and Polák, 1969, and Dykyj, 1972.; AC |
8.681 | 29.15 | C | Majer, Wagner, et al., 1980 | ALS |
7.67 | 365. | N/A | Ambrose, Ellender, et al., 1976 | Based on data from 311. to 365. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 358. | 13.07 | 0.2952 | 531. | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
311.33 to 364.53 | 4.05686 | 1252.485 | -56.685 | Cidlinský and Polák, 1969 |
Gas phase ion energetics data
Go To: Top, 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 as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.3 ± 0.1 | EI | Audier, Bouchoux, et al., 1982 | LBLHLM |
9.36 | EI | Holmes, Fingas, et al., 1981 | LLK |
9.53 | PE | Bachiri, Mouvier, et al., 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C4H8+ | 9.8 ± 0.1 | C2H6O | EI | Audier, Bouchoux, et al., 1982 | LBLHLM |
C4H9O+ | 9.4 ± 0.1 | C2H5 | EI | Audier, Bouchoux, et al., 1982 | LBLHLM |
References
Go To: Top, 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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
Spurr and Zeitlin, 1950
Spurr, R.A.; Zeitlin, H.,
The dipole moments of some aliphatic ethers,
J. Am. Chem. Soc., 1950, 72, 4832. [all data]
Norris and Rigby, 1932
Norris, J.F.; Rigby, G.W.,
Reactivity of Atoms and Groups in Organic Compounds XII. The Preparation and Properties of Mixed Aliphatic Ethers with Special Reference to those Containing the Tert-Butyl Radical,
J. Am. Chem. Soc., 1932, 54, 2088. [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, Wagner, et al., 1980
Majer, V.; Wagner, Z.; Svoboda, V.; Cadek, V.,
Enthalpies of vaporization and cohesive energies for a group of aliphatic ethers,
J. Chem. Thermodyn., 1980, 12, 387-391. [all data]
Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R.,
Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers,
The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178, https://doi.org/10.1016/0021-9614(76)90090-2
. [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]
Cidlinský and Polák, 1969
Cidlinský, J.; Polák, J.,
Saturated vapour pressures of some ethers,
Collect. Czech. Chem. Commun., 1969, 34, 4, 1317-1321, https://doi.org/10.1135/cccc19691317
. [all data]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Audier, Bouchoux, et al., 1982
Audier, H.E.; Bouchoux, G.; Hoppilliard, Y.; Milliet, A.,
The mechanism of formation of [C4H9O]+ ions from isobutyl etyhyl ether,
Org. Mass Spectrom., 1982, 17, 382. [all data]
Holmes, Fingas, et al., 1981
Holmes, J.L.; Fingas, M.; Lossing, F.P.,
Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part I. Odd-electron cations,
Can. J. Chem., 1981, 59, 80. [all data]
Bachiri, Mouvier, et al., 1980
Bachiri, M.; Mouvier, G.; Carlier, P.; Dubois, J.E.,
Evaluation quantitative des effets de substituants sur les premiers potentiels d'ionisation de composes monofonctionnels aliphatiques,
J. Chim. Phys., 1980, 77, 899. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tc Critical temperature 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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