Butane, 2-ethoxy-2-methyl-
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChI: InChI=1S/C7H16O/c1-5-7(3,4)8-6-2/h5-6H2,1-4H3
- IUPAC Standard InChIKey: KFRVYYGHSPLXSZ-UHFFFAOYSA-N
- CAS Registry Number: 919-94-8
- 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 tert-amyl ether; Ethyl 1,1-dimethylpropyl ether; 2-Ethyl-2-ethoxypropane; 2-Ethoxy-2-methylbutane; Ethyl tert-pentyl ether
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -90.77 ± 0.33 | kcal/mol | Eqk | Sharonov, Rozhnov, et al., 1995 | ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 58.1 | 298. | Evans and Edlund, 1936 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 375.2 | K | N/A | Weast and Grasselli, 1989 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 9.37 ± 0.1 | kcal/mol | GS | Verevkin, Krasnykh, et al., 2003 | See also Verevkin, 2002 and Verevkin, Krasnykh, et al., 2003.; AC |
| ΔvapH° | 9.13 ± 0.05 | kcal/mol | C | Varushchenko, Pashchenko, et al., 2002 | AC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.53 | 333. | EB | Varushchenko, Pashchenko, et al., 2002 | Based on data from 318. to 374. K.; AC |
| 8.51 | 335. | EB | Kraehenbuehl and Gmehling, 1994 | Based on data from 320. to 374. K.; AC |
Reaction 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
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: C5H10 + C2H6O = C7H16O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -8.4 ± 1.4 | kcal/mol | Eqk | Rihko, Linnekoski, et al., 1994 | liquid phase; solvent: Alcohol/alkane mixture |
+
=
By formula: C5H10 + C2H6O = C7H16O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -6.5 ± 1.6 | kcal/mol | Eqk | Rihko, Linnekoski, et al., 1994 | liquid phase; solvent: Alcohol/alkane mixture |
=
+
By formula: C7H16O = C5H10 + C2H6O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.16 ± 0.19 | kcal/mol | Eqk | Sharonov, Rozhnov, et al., 1995 | liquid phase |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Sharonov, Rozhnov, et al., 1995
Sharonov, K.G.; Rozhnov, A.M.; Korol'kov, A.V.; Karaseva, S.Y.,
Enthalpies of formation of 2-methyl-2-ethoxypropane and 2-ethyl-2-ethoxypropane from equilibrium measurements,
J. Chem. Thermodyn., 1995, 27, 751-753. [all data]
Evans and Edlund, 1936
Evans, T.W.; Edlund, K.R.,
Tertiary alkyl ethers preparation and properties,
Ind. Eng. Chem., 1936, 28, 1186-1188. [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]
Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Heintz, Andreas,
Determination of Ambient Temperature Vapor Pressures and Vaporization Enthalpies of Branched Ethers,
J. Chem. Eng. Data, 2003, 48, 3, 591-599, https://doi.org/10.1021/je0255980
. [all data]
Verevkin, 2002
Verevkin, Sergey P.,
Improved Benson Increments for the Estimation of Standard Enthalpies of Formation and Enthalpies of Vaporization of Alkyl Ethers, Acetals, Ketals, and Ortho Esters,
J. Chem. Eng. Data, 2002, 47, 5, 1071-1097, https://doi.org/10.1021/je020023o
. [all data]
Varushchenko, Pashchenko, et al., 2002
Varushchenko, R.M.; Pashchenko, L.L.; Churkina, A.Yu.; Shabanova, A.V.,
Zh. Fiz. Khim., 2002, 76, 6, 1027. [all data]
Kraehenbuehl and Gmehling, 1994
Kraehenbuehl, M.A.; Gmehling, J.,
Vapor Pressures of Methyl tert-Butyl Ether, Ethyl tert-Butyl Ether, Isopropyl tert-Butyl Ether, tert-Amyl Methyl Ether, and tert-Amyl Ethyl Ether,
J. Chem. Eng. Data, 1994, 39, 4, 759-762, https://doi.org/10.1021/je00016a026
. [all data]
Rihko, Linnekoski, et al., 1994
Rihko, L.K.; Linnekoski, J.A.; Krause, A.O.,
Reaction equilibria in the synthesis of 2-methoxy-2-methylbutane and 2-ethyoxy-2-methylbutane in the liquid phase,
J. Chem. Eng. Data, 1994, 39, 700-704. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction 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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