2-Butenoic acid, 3-methyl-, ethyl ester

• Formula: C₇H₁₂O₂
• Molecular weight: 128.1690
• IUPAC Standard InChI: InChI=1S/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: UTXVCHVLDOLVPC-UHFFFAOYSA-N Copy
• CAS Registry Number: 638-10-8
• 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: Crotonic acid, 3-methyl-, ethyl ester; Ethyl β,β-dimethylacrylate; Ethyl dimethylacrylate; Ethyl isopropylideneacetate; Ethyl senecioate; Ethyl 3-methyl-2-butenoate; Ethyl 3-methylcrotonate; Ethyl 3,3-dimethylacrylate; Ethyl β-methylcrotonate; Ethyl 3-methylbut-2-enoate; 3-Methyl-2-butenoic acid, ethyl ester; 3,3-Dimethylacrylic acid ethyl ester; Ethyl isobutenoate; NSC 61853; NSC 99208
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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

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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Additional Data

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, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, polar column, temperature ramp

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References

Go To: Top, Phase change data, Mass spectrum (electron ionization), 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]

Emel'yanenko, Toktonov, et al., 2008
Emel'yanenko, Vladimir N.; Toktonov, Alexey V.; Kozlova, Svetlana A.; Verevkin, Sergey P.; Andrushko, Vasyl; Andrushko, Natalia; Börner, Armin, Structure-Energy Relationships in Unsaturated Esters of Carboxylic Acids. Thermochemical Measurements and ab Initio Calculations, J. Phys. Chem. A, 2008, 112, 17, 4036-4045, https://doi.org/10.1021/jp7115033 . [all data]

Ashes and Haken, 1975
Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. IX. Structure-retention increments of unsaturated esters, J. Chromatogr., 1975, 111, 1, 171-187, https://doi.org/10.1016/S0021-9673(01)80159-X . [all data]

Engel and Ratel, 2007
Engel, E.; Ratel, J., Correction of the data generated by mass spectrometry analyses of biological tissues: Application to food authentication, J. Chromatogr. A, 2007, 1154, 1-2, 331-341, https://doi.org/10.1016/j.chroma.2007.02.012 . [all data]

Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C., Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect, Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305 . [all data]

Mierendorff, Stahl-Biskup, et al., 2008
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008, retrieved from http://www.chemische-analysen-hamburg.de/Publikationen?Cape_Chamomile_Oil/. [all data]

Mierendorff, Stahl-Biskup, et al., 2003
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctulatus), Flavour Fragr. J., 2003, 18, 6, 510-514, https://doi.org/10.1002/ffj.1259 . [all data]

Beck, Higbee, et al., 2008
Beck, J.J.; Higbee, B.S.; Marrill, G.B.; Roitman, J.N., Comparison of volatile emissions from undamaged and mechanically damaged almonds, J, Sci. Food Argic., 2008, 88, 8, 1363-1368, https://doi.org/10.1002/jsfa.3224 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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