2-Butenoic acid, (E)-

• Formula: C₄H₆O₂
• Molecular weight: 86.0892
• IUPAC Standard InChI: InChI=1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+ Copy

  
• IUPAC Standard InChIKey: LDHQCZJRKDOVOX-NSCUHMNNSA-N Copy
• CAS Registry Number: 107-93-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Stereoisomers:
  • Crotonic acid
  • Isocrotonic acid
  • 2-Butenoic acid, isomer # 1
• Other names: Crotonic acid, (E)-; (E)-Crotonic acid; (E)-2-Butenoic acid; trans-Crotonic Acid; trans-2-Butenoic Acid; (E)-CH3CH=CHCOOH; α-butenoic acid, trans; α-crotonic acid, trans; Ethylideneacetic acid, E; β-methylacrylic acid, trans; 3-Methylacrylic acid, trans; Crotonic acid, trans; β-Methacrylic acid, trans; 2-Butenoic acid, (2E)-; NSC 8751; Crotonic acid
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• Information on this page:
  • Gas phase thermochemistry data
  • UV/Visible spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

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

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

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References

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

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Dann, 1947
Dann, O., Chem. Ber., 1947, 80, 427. [all data]

Suárez, Duque, et al., 1991
Suárez, M.; Duque, C.; Wintoch, H.; Schreier, P., Glycosidically bound aroma compounds from the pulp and the peelings of lulo fruit (Solanum vestissimum D.), J. Agric. Food Chem., 1991, 39, 9, 1643-1645, https://doi.org/10.1021/jf00009a022 . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, UV/Visible spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  Cp,gas

  Constant pressure heat capacity of gas

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