Benzeneacetic acid, 4-hydroxy-

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus423.6KN/AArmstrong, James, et al., 1979Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
6.69422.9Gracin and Rasmuson, 2002AC
6.79423.6Acree, 1991AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference
8.12 ± 0.02EIBenezra and Bursey, 1972

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5O2+13.83 ± 0.02CH3COEIBenezra and Bursey, 1972 
C6H6O2+9.28 ± 0.02CH2=C=OEIBenezra and Bursey, 1972 

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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Column type Active phase I Reference Comment
CapillaryHP-5MS1557.8Andriamaharavo, 201430. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB5-30W1545.Schwab and Schreier, 198830. m/0.25 mm/0.25 μm, He, 5. K/min; Tstart: 60. C; Tend: 300. C

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.

Armstrong, James, et al., 1979
Armstrong, N.A.; James, K.C.; Wong, C.K., Inter-relationships between solubilities, distribution coefficients and melting points of some substituted benzoic and phenylacetic acids, J. Pharm. Pharmacol., 1979, 31, 1, 627, https://doi.org/10.1111/j.2042-7158.1979.tb13606.x . [all data]

Gracin and Rasmuson, 2002
Gracin, Sandra; Rasmuson, Åke C., Solubility of Phenylacetic Acid, p -Hydroxyphenylacetic Acid, p -Aminophenylacetic Acid, p -Hydroxybenzoic Acid, and Ibuprofen in Pure Solvents, J. Chem. Eng. Data, 2002, 47, 6, 1379-1383, https://doi.org/10.1021/je0255170 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Benezra and Bursey, 1972
Benezra, S.A.; Bursey, M.M., Hydrogen bonding in mass spectral activated complexes. A correction, J. Chem. Soc. Perkin Trans. 2, 1972, 11, 1537. [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Schwab and Schreier, 1988
Schwab, W.; Schreier, P., Simultaneous enzyme catalysis extraction: A versatile technique for the study of flavor precursors, J. Agric. Food Chem., 1988, 36, 6, 1238-1242, https://doi.org/10.1021/jf00084a028 . [all data]


Notes

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