Butane, 2-methoxy-2-methyl-

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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-306.5 ± 1.1kJ/molCcbRozhnov, Safronov, et al., 1991Unpublished Hv

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 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
Δfliquid-341.79 ± 0.79kJ/molCcbRozhnov, Safronov, et al., 1991Unpublished Hv; ALS
Quantity Value Units Method Reference Comment
Δcliquid-4020.07 ± 0.73kJ/molCcbRozhnov, Safronov, et al., 1991Unpublished Hv; Corresponding Δfliquid = -341.80 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
222.298.Evans and Edlund, 1936DH

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:
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
Tboil359.3KN/ALoras, Aucejo, et al., 1999Uncertainty assigned by TRC = 0.3 K; TRC
Tboil359.2KN/AMonton, Torre, et al., 1999Uncertainty assigned by TRC = 0.3 K; TRC
Tboil359.5KN/AWeast and Grasselli, 1989BS
Tboil359.57KN/ACervenkova and Boublik, 1984Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Δvap35. ± 1.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
36.6 ± 0.1320.EBSteele, Chirico, et al., 2002Based on data from 309. to 396. K.; AC
34.5 ± 0.2360.EBSteele, Chirico, et al., 2002Based on data from 309. to 396. K.; AC
32.1 ± 0.5400.EBSteele, Chirico, et al., 2002Based on data from 309. to 396. K.; AC
33.4329.N/AAucejo, Loras, et al., 1998Based on data from 314. to 362. K.; AC
35.7 ± 1.0295.GSVerevkin and Welle, 1998Based on data from 283. to 308. K.; AC
33.8321.EBKraehenbuehl and Gmehling, 1994Based on data from 306. to 359. K.; AC
34.3309.EBCervenkova and Boublik, 1984, 2Based on data from 294. to 359. K.; AC
33.7324.EBPalczewska-Tulinska, Cholinski, et al., 1984Based on data from 309. to 358. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction 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

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

2-Methyl-1-butene + Methyl Alcohol = Butane, 2-methoxy-2-methyl-

By formula: C5H10 + CH4O = C6H14O

Quantity Value Units Method Reference Comment
Δr-35.8kJ/molEqkSerda, Izquierdo, et al., 1995liquid phase
Δr-20.4 ± 0.8kJ/molEqkHwang and Wu, 1994liquid phase
Δr-33.6 ± 5.1kJ/molEqkRihko, Linnekoski, et al., 1994liquid phase; solvent: Alcohol/alkane mixture

2-Butene, 2-methyl- + Methyl Alcohol = Butane, 2-methoxy-2-methyl-

By formula: C5H10 + CH4O = C6H14O

Quantity Value Units Method Reference Comment
Δr-32.8kJ/molEqkSerda, Izquierdo, et al., 1995liquid phase
Δr-26.8 ± 2.3kJ/molEqkRihko, Linnekoski, et al., 1994liquid phase; solvent: Alcohol/alkane mixture

Butane, 2-methoxy-2-methyl- = 2-Methyl-1-butene + Methyl Alcohol

By formula: C6H14O = C5H10 + CH4O

Quantity Value Units Method Reference Comment
Δr67.96 ± 0.39kJ/molEqkRozhnov, Safronov, et al., 1991liquid phase

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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Mass spectrum
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Additional Data

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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

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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]

Serda, Izquierdo, et al., 1995
Serda, J.A.; Izquierdo, J.F.; Tejero, J.; Cunill, F.; Iborra, M., Equilibrium and thermodynamics for 2-methyl-2-methoxybutane liquid-phase decomposition, Thermochim. Acta, 1995, 259, 111-120. [all data]

Hwang and Wu, 1994
Hwang, W.-S.; Wu, J.-C., Kinetics and thermodynamics of synthesis of tertiary-amyl methyl ether catalyzed by ion-exchange resin, J. Chin. Chem. Soc. (Taipei), 1994, 41, 181-186. [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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References