3,5-Dimethoxycinnamic acid

• Formula: C₁₁H₁₂O₄
• Molecular weight: 208.2106
• IUPAC Standard InChI: InChI=1S/C11H12O4/c1-14-9-5-8(3-4-11(12)13)6-10(7-9)15-2/h3-7H,1-2H3,(H,12,13)/b4-3+ Copy

  
• IUPAC Standard InChIKey: VLSRUFWCGBMYDJ-ONEGZZNKSA-N Copy
• CAS Registry Number: 16909-11-8
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: 2-Propenoic acid, 3-(3,5-dimethoxyphenyl)-; Cinnamic acid, 3,5-dimethoxy-; 3,5-Dimethoxycinnamic acid, predominantly trans; 3',5'-dimethoxycinnamic acid; trans-3,5-dimethoxycinnamic acid
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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 by: 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

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

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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.

Monte and Hillesheim, 1999
Monte, Manuel J.S.; Hillesheim, Dorothea M., Vapour pressures, enthalpies and entropies of sublimation of trans -cinnamic acid and of nine methoxy and dimethoxycinnamic acids, The Journal of Chemical Thermodynamics, 1999, 31, 11, 1443-1456, https://doi.org/10.1006/jcht.1999.0540 . [all data]

Tret'yakov, 2008
Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2008. [all data]

Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  ΔsubH°

  Enthalpy of sublimation at standard conditions

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