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

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

Gas Chromatography

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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

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryPetrocol DH-100672.5Haagen-Smit Laboratory, 1997He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min)
CapillaryDB-1674.Hoekman, 199360. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryDB-560.655.Verevkin, Krasnykh, et al., 200360. m/0.32 mm/0.25 μm, Nitrogen

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane: CP-Sil 5 CB673.Bramston-Cook, 201360. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min
CapillaryDB-5MS668.3Shoenmakers, Oomen, et al., 200030. m/0.25 mm/0.25 μm, He, 40. C @ 1. min, 3. K/min; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5678.Garcia-Estaban, Ansorena, et al., 200450. m/0.32 mm/1.05 μm; Program: 40C(10min) => 5C/min => 200C => 20C/min => 250C(5min)
CapillaryDB-1666.Ciccioli, Cecinato, et al., 199460. m/0.32 mm/0.25 μm; Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySOLGel-Wax790.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min)

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas Chromatography, 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]

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]

Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]

Hoekman, 1993
Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F . [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]

Bramston-Cook, 2013
Bramston-Cook, R., Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]

Shoenmakers, Oomen, et al., 2000
Shoenmakers, P.J.; Oomen, J.L.M.M.; Blomberg, J.; Genuit, W.; van Velzen, G., Comparison of comprehensive two-dimensional gas chromatography and gas chromatography-mass spectrometry for the characterization of complex hydrocarbon mixtures, J. Chromatogr. A, 2000, 892, 1-2, 29-46, https://doi.org/10.1016/S0021-9673(00)00744-5 . [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]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]

Johanningsmeier and McFeeters, 2011
Johanningsmeier, S.D.; McFeeters, R.F., Detection of volatile spoilage metabolites in fermented cucumbers using nontargeted, comprehensive 2-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGCxTOFMS), J. Food Sci., 2011, 76, 1, c168-c177, https://doi.org/10.1111/j.1750-3841.2010.01918.x . [all data]


Notes

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