Benzeneacetic acid, α-methyl-

• Formula: C₉H₁₀O₂
• Molecular weight: 150.1745
• IUPAC Standard InChI: InChI=1S/C9H10O2/c1-7(9(10)11)8-5-3-2-4-6-8/h2-7H,1H3,(H,10,11) Copy

  
• IUPAC Standard InChIKey: YPGCWEMNNLXISK-UHFFFAOYSA-N Copy
• CAS Registry Number: 492-37-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Stereoisomers:
  • Benzeneacetic acid, α-methyl-, (S)-
  • Benzeneacetic acid, α-methyl-, (R)-
• Other names: 2-Phenylpropionic acid; 2-Phenylpropanoic acid; α-Phenylpropionic acid; α-Methylphenylacetic acid; Hydratropic acid; dl-α-Phenylpropionic acid; α-Methylbenzeneacetic acid; Propanoic acid, 2-phenyl; (.+/-.)-2-Phenylpropanoic Acid
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Options:
  • Switch to SI units

Reaction thermochemistry data

Go To: Top, 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: John E. Bartmess

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

C₉H₉O₂^- +  =

By formula: C₉H₉O₂^- + H⁺ = C₉H₁₀O₂

Gas Chromatography

Go To: Top, Reaction thermochemistry 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.

References

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

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

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Tarjan, Nyiredy, et al., 1989
Tarjan, G.; Nyiredy, Sz.; Gyor, M.; Lombosi, E.R.; Lombosi, T.S.; Budahegyi, M.V.; Meszaros, S.Y.; Takacs, J.M., Review. Thirtieth Anniversary of the Retention Index According to Kovats in Gas-Liquid Chromatography, J. Chromatogr., 1989, 472, 1-92, https://doi.org/10.1016/S0021-9673(00)94099-8 . [all data]

Macek and Smolková-Keulemansová, 1985
Macek, J.; Smolková-Keulemansová, E., Correlation of the chromatographic retention of some phenylacetic and phenylpropionic acid derivatives with molecular structure, J. Chromatogr., 1985, 333, 309-317, https://doi.org/10.1016/S0021-9673(01)87361-1 . [all data]

Notes

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

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  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.