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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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
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° | 39.2 ± 0.4 | kJ/mol | GS | Verevkin, Krasnykh, et al., 2003 | See also Verevkin, 2002 and Verevkin, Krasnykh, et al., 2003.; AC |
| ΔvapH° | 38.2 ± 0.2 | kJ/mol | C | Varushchenko, Pashchenko, et al., 2002 | AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 35.7 | 333. | EB | Varushchenko, Pashchenko, et al., 2002 | Based on data from 318. to 374. K.; AC |
| 35.6 | 335. | EB | Kraehenbuehl and Gmehling, 1994 | Based on data from 320. to 374. K.; AC |
Gas Chromatography
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | DB-5 | 60. | 726. | Verevkin, Krasnykh, et al., 2003 | 60. m/0.32 mm/0.25 μm, Nitrogen |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 730. | Garcia-Estaban, Ansorena, et al., 2004 | 50. m/0.32 mm/1.05 μm; Program: 40C(10min) => 5C/min => 200C => 20C/min => 250C(5min) |
| Capillary | Methyl Silicone | 721. | Zenkevich, 1999 | Program: not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Garcia-Estaban, Ansorena, et al., 2004
Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Martin, D.; Ruiz, J.,
Comparison of simultaneous distillation extraction (SDE) and solid-phase microextraction (SPME) for the analysis of volatile compounds in dry-cured ham,
J. Sci. Food Agric., 2004, 84, 11, 1364-1370, https://doi.org/10.1002/jsfa.1826
. [all data]
Zenkevich, 1999
Zenkevich, I.G.,
New Application of the Retention Index Concept in Gas and High Performance Liquid Chromatography,
Fresenius' J. Anal. Chem., 1999, 365, 4, 305-309, https://doi.org/10.1007/s002160051491
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point 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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