Benzoic acid, 1-methylethyl ester
- Formula: C10H12O2
- Molecular weight: 164.2011
- IUPAC Standard InChIKey: FEXQDZTYJVXMOS-UHFFFAOYSA-N
- CAS Registry Number: 939-48-0
- 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: Benzoic acid, isopropyl ester; Isopropyl benzoate; Isopropylester kyseliny benzoove
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Phase change data
Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 491.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 491. | K | N/A | American Tokyo Kasei, 1988 | BS |
Tboil | 491. to 492. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tboil | 491.65 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 1. K; TRC |
Gas phase ion energetics data
Go To: Top, Phase change 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H5+ | 15.0 ± 0.10 | ? | EI | Tajima, Azami, et al., 1977 | |
C7H5O+ | 11.2 ± 0.10 | OC3H7 | EI | Tajima, Azami, et al., 1977 |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics data, 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
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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 | Japan AIST/NIMC Database- Spectrum MS-NW- 772 |
NIST MS number | 229490 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 140. | 1223. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | SE-30 | 160. | 1172. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | SE-30 | 180. | 1185. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | SE-30 | 140. | 1192. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | SE-30 | 160. | 1194. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | SE-30 | 180. | 1205. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-351 | 180. | 1684. | Korhonen, 1986 | N2; Column length: 25. m; Column diameter: 0.22 mm |
Capillary | OV-351 | 140. | 1676. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 160. | 1683. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 180. | 1704. | Korhonen and Lind, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-2 | 1217. | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 15. K/min; Tstart: 60.01 C |
Capillary | Ultra-2 | 1207.2 | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 2. K/min; Tstart: 60.01 C |
Capillary | Ultra-2 | 1212.7 | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 7. K/min; Tstart: 60.01 C |
Capillary | Ultra-2 | 1223. | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 15. K/min; Tstart: 120.01 C |
Capillary | Ultra-2 | 1216.7 | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 2. K/min; Tstart: 120.01 C |
Capillary | Ultra-2 | 1219.7 | Akporhonor, le Vent, et al., 1990 | 25. m/0.2 mm/0.33 μm, N2, 7. K/min; Tstart: 120.01 C |
Capillary | SE-30 | 1191. | Korhonen and Lind, 1985 | N2, 10. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 300. C |
Capillary | SE-30 | 1183. | Korhonen and Lind, 1985 | N2, 2. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 300. C |
Capillary | SE-30 | 1186. | Korhonen and Lind, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 300. C |
Capillary | SE-30 | 1189. | Korhonen, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.33 mm; Tstart: 100. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-351 | 1690. | Bonvehi and Coll, 2003 | 50. m/0.32 mm/0.2 μm, He, 5. K/min; Tstart: 60. C; Tend: 220. C |
Capillary | OV-351 | 1649. | Korhonen, 1986 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.22 mm; Tstart: 100. C; Tend: 220. C |
Capillary | OV-351 | 1685. | Korhonen and Lind, 1985 | N2, 10. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 230. C |
Capillary | OV-351 | 1660. | Korhonen and Lind, 1985 | N2, 2. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 230. C |
Capillary | OV-351 | 1669. | Korhonen and Lind, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 230. C |
Capillary | OV-351 | 1657. | Korhonen, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1177. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Capillary | SE-30 | 1193. | Korhonen, 1986 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.22 mm; Tstart: 100. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 1223. | Chen, 2008 | Program: not specified |
Capillary | SE-30 | 1189. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1639. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, 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]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Perkin, 1896
Perkin, W.H.,
LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds,
J. Chem. Soc., 1896, 69, 1025-1257. [all data]
Tajima, Azami, et al., 1977
Tajima, S.; Azami, T.; Tsuchiya, T.,
An investigation of the decomposition of the common intermediate ions produced by electron impact,
Org. Mass Spectrom., 1977, 12, 24. [all data]
Korhonen, 1986
Korhonen, I.O.O.,
Gas-Liquid Chromatographic Analyses. XLVII. Retention Increments of Some Lower Saturated Branched-Chain, Unsaturated and Chlorinated Esters of Benzoic, 4-Nitrobenzoic and 3,5-Dinitrobenzoic Acids on SE-30 and OV-351 Capillary Columns,
J. Chromatogr., 1986, 360, 63-78, https://doi.org/10.1016/S0021-9673(00)91652-2
. [all data]
Korhonen and Lind, 1985
Korhonen, I.O.O.; Lind, M.A.,
Gas-liquid chromatographic analyses. XXXVII. Capillary column studies of benzoyl and monochlorobenzoyl esters of lower saturated branched-chain alcohols,
J. Chromatogr., 1985, 323, 2, 331-342, https://doi.org/10.1016/S0021-9673(01)90395-4
. [all data]
Akporhonor, le Vent, et al., 1990
Akporhonor, E.E.; le Vent, S.; Taylor, D.R.,
Calculation of programmed temperature gas chromatographic characteristics from isothermal data. III. Predicted retention indices and equivalent temperatures,
J. Chromatogr., 1990, 504, 269-278, https://doi.org/10.1016/S0021-9673(01)89532-7
. [all data]
Korhonen, 1985
Korhonen, I.O.O.,
Gas-liquid chromatographic analyses. XLIV. Benzoyl and pentafluorobenzoyl esters of lower saturated branched-chain and unsaturated alcohols on SE-30 and OV-351 capillary columns,
J. Chromatogr., 1985, 329, 359-369, https://doi.org/10.1016/S0021-9673(01)81942-7
. [all data]
Bonvehi and Coll, 2003
Bonvehi, J.S.; Coll, F.V.,
Flavour index and aroma profiles of fresh and processed honeys,
J. Sci. Food Agric., 2003, 83, 4, 275-282, https://doi.org/10.1002/jsfa.1308
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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