Propane, 2-methoxy-2-methyl-

• Formula: C₅H₁₂O
• Molecular weight: 88.1482
• IUPAC Standard InChI: InChI=1S/C5H12O/c1-5(2,3)6-4/h1-4H3 Copy

  
• IUPAC Standard InChIKey: BZLVMXJERCGZMT-UHFFFAOYSA-N Copy
• CAS Registry Number: 1634-04-4
• 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, tert-butyl methyl; tert-Butyl methyl ether; Methyl tert-butyl ether; 2-Methoxy-2-methylpropane; 2-Methyl-2-methoxypropane; tert-C4H9OCH3; Methyl t-butyl ether; MTBE; Methyl 1,1-dimethylethyl ether; UN 2398; Driveron; 1,1-Dimethylethyl methyl ether; t-Butyl methyl ether; methyl tert-butyl ether (MTBE)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: C₅H₁₂O = C₄H₈ + CH₄O

 +  =

By formula: C₄H₈ + CH₄O = C₅H₁₂O

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₅H₁₂O⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

Gas Chromatography

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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

Kovats' RI, non-polar column, isothermal

View large format table.

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

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

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

View large format table.

Normal alkane RI, polar column, temperature ramp

View large format table.

Normal alkane RI, polar column, custom temperature program

View large format table.

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Arntz and Gottlieb, 1985
Arntz, H.; Gottlieb, K., High-pressure heat-flow calorimeter determination of the enthalpy of reaction for the synthesis of methyl t-butyl ether from methanol and 2-methylpropene, J. Chem. Thermodyn., 1985, 17, 967-972. [all data]

Sol, Perics, et al., 1994
Sol, L.; Perics, M.A.; Cunill, F.; Iborra, M., Reaction calorimetry study of the liquid-phase synthesis of tert-butyl methyl ether, Ind. Eng. Chem. Res., 1994, 33, 2578-2583. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Bissonnette, George, et al., 1990
Bissonnette, M.; George, M.; Holmes, J.L., The experimental investigation of [C₅H₁₂O] ion structures related to neopentyl alcohol and its methyl ether, Int. J. Mass Spectrom. Ion Processes, 1990, 101, 309. [all data]

Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T., Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]

Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G., Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules, J. Am. Chem. Soc., 1977, 99, 3980. [all data]

Lossing, 1977
Lossing, F.P., Heats of formation of some isomeric [C_nH_2n+1]⁺ ions. Substitutional effects on ion stability, J. Am. Chem. Soc., 1977, 99, 7526. [all data]

Boneva and Toromanova-Petrova, 1994
Boneva, S.; Toromanova-Petrova, P., Capillary gas chromatography of C₁-C₄ alkyl tert-butyl ethers, Chromatographia, 1994, 39, 3/4, 224-227, https://doi.org/10.1007/BF02274504 . [all data]

Winskowski, 1983
Winskowski, J., Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen Detektoren, Chromatographia, 1983, 17, 3, 160-165, https://doi.org/10.1007/BF02271041 . [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [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]

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]

Supelco, 2012
Supelco, CatalogNo. 24160-U, Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]

Zenkevich, Eliseenkov, et al., 2011
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N.; Ukolov, A.I., Identification of the products of nonregioselective organic reactions by chromatography - mass spectrometry: chloro derivatives of dialkyl ethers, Rus. J. Anal. Chem., 2011, 66, 14, 1445-1454, https://doi.org/10.1134/S1061934811140218 . [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]

Ciccioli, Cecinato, et al., 1992
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C₄-C₁₄ hydrocarbons involved in photochemical smog formation, J. Hi. Res. Chromatogr., 1992, 15, 2, 75-84, https://doi.org/10.1002/jhrc.1240150205 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Perkin Elmer Instruments, 2002
Perkin Elmer Instruments, Detailed hydrocarbon analysis (DHAX) Model 4015, 2002, retrieved from http://www.perkinelmer.com/instruments. [all data]

Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technical_series₁997-01-01₁.pdf. [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]

Schuberth, 1994
Schuberth, J., Joint use of retention index and mass spectrum in postmortem tests for volatile organics by headspace capillary gas chromatography with ion-trap detection, J. Chromatogr. A, 1994, 674, 1-2, 63-71, https://doi.org/10.1016/0021-9673(94)85217-0 . [all data]

Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F . [all data]

Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J., Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning, Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111 . [all data]

Weller and Wolf, 1989
Weller, J.-P.; Wolf, M., Massenspektroskopie und Headspace-GC, Beitr. Gerichtl. Med., 1989, 47, 525-532. [all data]

Tsao, 1969
Tsao, J.C.Y., Prelimivary reports on structural study via mercury-sensitized photolysis and gas chromatography, J. Chin. Chem. Soc., 1969, 16, 4, 152-163. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.