Butane, 2-methoxy-2-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: HVZJRWJGKQPSFL-UHFFFAOYSA-N
- CAS Registry Number: 994-05-8
- 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: Ether, methyl tert-pentyl; tert-Amyl Methyl ether; Methyl tert-pentyl ether; 1,1-Dimethylpropyl methyl ether; 2-Methyl-2-methoxybutane; Methyl 2-methyl-2-butyl ether; 2-Methoxy-2-methylbutane
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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ΔfH°liquid | -81.69 ± 0.19 | kcal/mol | Ccb | Rozhnov, Safronov, et al., 1991 | Unpublished Hv; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -960.82 ± 0.17 | kcal/mol | Ccb | Rozhnov, Safronov, et al., 1991 | Unpublished Hv; Corresponding ΔfHºliquid = -81.692 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
53.1 | 298. | Evans and Edlund, 1936 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 359.3 | K | N/A | Loras, Aucejo, et al., 1999 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 359.2 | K | N/A | Monton, Torre, et al., 1999 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 359.5 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 359.57 | K | N/A | Cervenkova and Boublik, 1984 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.4 ± 0.3 | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.75 ± 0.02 | 320. | EB | Steele, Chirico, et al., 2002 | Based on data from 309. to 396. K.; AC |
8.25 ± 0.05 | 360. | EB | Steele, Chirico, et al., 2002 | Based on data from 309. to 396. K.; AC |
7.7 ± 0.1 | 400. | EB | Steele, Chirico, et al., 2002 | Based on data from 309. to 396. K.; AC |
7.98 | 329. | N/A | Aucejo, Loras, et al., 1998 | Based on data from 314. to 362. K.; AC |
8.53 ± 0.24 | 295. | GS | Verevkin and Welle, 1998 | Based on data from 283. to 308. K.; AC |
8.08 | 321. | EB | Kraehenbuehl and Gmehling, 1994 | Based on data from 306. to 359. K.; AC |
8.20 | 309. | EB | Cervenkova and Boublik, 1984, 2 | Based on data from 294. to 359. K.; AC |
8.05 | 324. | EB | Palczewska-Tulinska, Cholinski, et al., 1984 | Based on data from 309. to 358. K.; AC |
Mass spectrum (electron ionization)
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: 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 | D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY |
NIST MS number | 61443 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rozhnov, Safronov, et al., 1991
Rozhnov, A.M.; Safronov, V.V.; Verevkin, S.P.; Sharonov, K.G.; Alenin, V.I.,
Enthalpy of combustion and enthalpy of vaporization of 2-ethyl-2-methoxypropane and thermodynamics of its gas-phase synthesis from (methanol + a 2-methylbutene),
J. Chem. Thermodyn., 1991, 23, 629-635. [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]
Loras, Aucejo, et al., 1999
Loras, S.; Aucejo, A.; Munoz, R.; Ordonez, L.M.,
Phase Equilibria in the Systems 2-Methyl-2-propanol + Methyl 1,1-Dimethylpropyl Ether and 2-Methylpentane + 2-Methyl-2-propanol + Methyl 1,1-Dimethylpropyl Ether,
J. Chem. Eng. Data, 1999, 44, 1163-8. [all data]
Monton, Torre, et al., 1999
Monton, J.B.; Torre, J.d.l.; Burguet, M.C.; Munoz, R.; Loras, S.,
Isobaric Vapor-Liquid Equilibrium in the Systems 2,3-Dimethylpentane + Methyl 1,1-dimethylethyl Ether, + Diisopropyl Ether and + Methyl 1,1-Dimethylpropyl Ether,
J. Chem. Eng. Data, 1999, 44, 1158-62. [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]
Cervenkova and Boublik, 1984
Cervenkova, I.; Boublik, T.,
Vapor pressures, refractive indexes, and densities at 20.0 .degree.C, and vapor-liquid equilibrium at 101.325 kPa, in the tert-amyl methyl ether-methanol system,
J. Chem. Eng. Data, 1984, 29, 425. [all data]
Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A.,
Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for Methyl Benzoate, Ethyl Benzoate, ( R )-(+)-Limonene, tert -Amyl Methyl Ether, trans -Crotonaldehyde, and Diethylene Glycol,
J. Chem. Eng. Data, 2002, 47, 4, 667-688, https://doi.org/10.1021/je0100847
. [all data]
Aucejo, Loras, et al., 1998
Aucejo, Antonio; Loras, Sonia; Muñoz, Rosa; Reich, Ricardo; Segura, Hugo,
Isobaric Vapor-Liquid Equilibrium in the Systems 2-Methylpentane + Methyl 1,1-Dimethylethyl Ether, + Ethyl 1,1-Dimethylethyl Ether, and + Methyl 1,1-Dimethylpropyl Ether,
J. Chem. Eng. Data, 1998, 43, 6, 973-977, https://doi.org/10.1021/je980090b
. [all data]
Verevkin and Welle, 1998
Verevkin, Sergey P.; Welle, Frank M.,
Structural Chemistry, 1998, 9, 3, 215-221, https://doi.org/10.1023/A:1022475115296
. [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]
Cervenkova and Boublik, 1984, 2
Cervenkova, Irena; Boublik, Tomas,
Vapor pressure, refractive indexes and densities at 20.0.degree.C, and vapor-liquid equilibrium at 101.325 kPa in the tert-amyl methyl ether-methanol system,
J. Chem. Eng. Data, 1984, 29, 4, 425-427, https://doi.org/10.1021/je00038a017
. [all data]
Palczewska-Tulinska, Cholinski, et al., 1984
Palczewska-Tulinska, Marcela; Cholinski, Jacek; Szafranski, Andrzej M.; Wyrzykowska-Stankiewicz, Danuta,
Experimental vapor pressures and maximum-likelihood Antoine-equation constants for 1,1,1-methoxydimethylpropane, thiacyclopentane and 1,4-butanediol,
Fluid Phase Equilibria, 1984, 15, 3, 295-307, https://doi.org/10.1016/0378-3812(84)87014-4
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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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