Phenylpropiolic acid

• Formula: C₉H₆O₂
• Molecular weight: 146.1427
• IUPAC Standard InChI: InChI=1S/C9H6O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,(H,10,11) Copy

  
• IUPAC Standard InChIKey: XNERWVPQCYSMLC-UHFFFAOYSA-N Copy
• CAS Registry Number: 637-44-5
• 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: Phenylacetylenecarboxylic acid; 3-Phenylpropynoic acid; 2-Propynoic acid, 3-phenyl-; Phenylacetylene monocarboxylic acid; Phenylpropynoic acid; Propiolic acid, phenyl-; Propiolic acid, 3-phenyl-; 3-Phenylpropiolic acid; β-Phenylpropargylic acid; 3-Phenylpropargylic acid; NSC 13669
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
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Condensed 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

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 +  =

By formula: 2H₂ + C₉H₆O₂ = C₉H₁₀O₂

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.

Moureu and Andre, 1914
Moureu, C.; Andre, E., Thermochimie des composes acetyleniques, Ann. Chim. Phys., 1914, 1, 113-145. [all data]

Reimer, 1942
Reimer, M., Preparation of Phenylpropiolic Acid, J. Am. Chem. Soc., 1942, 64, 2510. [all data]

Flitcroft and Skinner, 1958
Flitcroft, T.L.; Skinner, H.A., Heats of hydrogenation Part 2.-Acetylene derivatives, Trans. Faraday Soc., 1958, 54, 47-53. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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