Benzeneacetic acid, α-methyl-, methyl ester


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

Quantity Value Units Method Reference Comment
Δvap62.0 ± 0.7kJ/molGSVerevkin, 1999Based on data from 284. to 318. K.

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
61.8 ± 0.7301.GSVerevkin, 1999Based on data from 284. to 318. K.

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

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 155289

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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, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-11185.Caviglioli, Valeria, et al., 200225. m/0.2 mm/0.3 μm, 40. C @ 0.2 min, 15. K/min, 250. C @ 5. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
PackedSE-301200.Khudobina and Zenkevich, 1984Helium, Chromosorb W (80-100 mesh), 50. C @ 0. min, 5. K/min, 250. C @ 0. min; Column length: 1.8 m

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.

Verevkin, 1999
Verevkin, Sergey P., Strain effects in phenyl substituted methanes. Geminal interactions between phenyl and alkoxycarbonyl substituent, Thermochimica Acta, 1999, 332, 1, 27-32, https://doi.org/10.1016/S0040-6031(99)00082-9 . [all data]

Caviglioli, Valeria, et al., 2002
Caviglioli, G.; Valeria, P.; Brunella, P.; Sergio, C.; Attilia, A.; Gaetano, B., Identification of degradation products of Ibuprofen arising from oxidative and thermal treatments, J. Pharm. Biomed. Anal., 2002, 30, 3, 499-509, https://doi.org/10.1016/S0731-7085(02)00400-4 . [all data]

Khudobina and Zenkevich, 1984
Khudobina, G.V.; Zenkevich, I.G., Chromato Mass Spectrometric Identification of Dimers in Recycled Styrene, VINITI, # 8039-84, 1984, 14. [all data]


Notes

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