Benzenebutanoic acid
- Formula: C10H12O2
- Molecular weight: 164.2011
- IUPAC Standard InChIKey: OBKXEAXTFZPCHS-UHFFFAOYSA-N
- CAS Registry Number: 1821-12-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Butyric acid, 4-phenyl-; γ-Phenylbutyric acid; Phenylbutyric acid; 4-Phenylbutanoic acid; 4-Phenylbutyric acid; γ-Phenyl-n-butyric acid; 4-Phenyl-n-butyric acid; ω-Phenylbutanoic acid; Benzenebutyric acid
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 563.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 27.01 ± 0.24 | kcal/mol | ME | Monte and Hillesheim, 2001 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
438.2 | 0.013 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.9 ± 0.2 | 316. | ME | Monte and Hillesheim, 2001 | Based on data from 309. to 323. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
4.66 | 324.2 | DSC | Monte and Hillesheim, 2001 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
9.0 ± 0.1 | EI | Occolowitz, 1967 |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C8H8+ | 10.6 ± 0.2 | CH2=CO+H2O | EI | Occolowitz, 1967 | |
C10H10O+ | 9.2 ± 0.2 | H2O | EI | Occolowitz, 1967 |
IR Spectrum
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | SRD/NIST Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | EPA-IR VAPOR PHASE LIBRARY |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-3888 |
NIST MS number | 232280 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1417. | Peng, Ding, et al., 1988 | He, Supelcoport and Chromosorb, 40. C @ 4. min, 10. K/min, 250. C @ 60. min; Column length: 3.05 m |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 244.61 | Eckel, Ross, et al., 1993 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Monte and Hillesheim, 2001
Monte, Manuel J.S.; Hillesheim, Dorothea M.,
Thermodynamic Study on the Sublimation of 2-Phenylacetic, 4-Phenylbutyric, and 5-Phenylvaleric Acid,
J. Chem. Eng. Data, 2001, 46, 6, 1601-1604, https://doi.org/10.1021/je010153h
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Occolowitz, 1967
Occolowitz, J.L.,
Charge localization and the electronimpact fragmentation of carbonyl compounds,
Australian J. Chem., 1967, 20, 2387. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Eckel, Ross, et al., 1993
Eckel, W.P.; Ross, B.; Isensee, R.K.,
Pentobarbital found in ground water,
Ground Water, 1993, 31, 5, 801-804, https://doi.org/10.1111/j.1745-6584.1993.tb00853.x
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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