Pentanoic acid, ethyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChIKey: ICMAFTSLXCXHRK-UHFFFAOYSA-N
- CAS Registry Number: 539-82-2
- Chemical structure:
This structure is also available as a 2d Mol file - Isotopologues:
- Other names: Valeric acid, ethyl ester; Ethyl n-valerate; Ethyl pentanoate; Ethyl valerate; n-Valeric acid ethyl ester
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Van Den Dool and Kratz RI, polar column, temperature ramp
Go To: Top, 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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax Etr | DB-Wax | CP-Wax 52CB | OV-351 | Stabilwax |
Column length (m) | 30. | 30. | 60. | 50. | 30. |
Carrier gas | He | He | He | He | N2 |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.5 | 0.25 | 0.2 | 1. |
Tstart (C) | 40. | 40. | 40. | 60. | 40. |
Tend (C) | 250. | 265. | 250. | 220. | 230. |
Heat rate (K/min) | 5. | 7. | 4. | 5. | 4. |
Initial hold (min) | 3. | 2. | |||
Final hold (min) | 15. | 5. | 10. | ||
I | 1134. | 1139. | 1138. | 1125. | 1146. |
Reference | Aubert C. and Pitrat M., 2006 | Gurbuz O., Rouseff J.M., et al., 2006 | Kourkoutas, Elmore, et al., 2006 | Bonvehí, 2005 | Fang and Qian, 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-FFAP | DB-Wax | ZB-Wax | OV-351 | HP-Wax |
Column length (m) | 15. | 30. | 30. | 50. | 30. |
Carrier gas | He | He | He | N2 | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.15 | 0.2 | 0.25 |
Tstart (C) | 35. | 40. | 35. | 60. | 60. |
Tend (C) | 225. | 200. | 220. | 220. | 220. |
Heat rate (K/min) | 10. | 10. | 1.8 | 5. | 5. |
Initial hold (min) | 5. | 5. | 10. | 10. | |
Final hold (min) | 15. | 15. | 10. | ||
I | 1134. | 1137. | 1127. | 1125. | 1131. |
Reference | Avsar, Karagul-Yuceer, et al., 2004 | Avsar, Karagul-Yuceer, et al., 2004 | Ledauphin, Saint-Clair, et al., 2004 | Bonvehi and Coll, 2003 | Emilio Tomei, Manganelli, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | AT-Wax | AT-Wax | Supelcowax-10 | Supelcowax-10 | DB-Wax |
Column length (m) | 60. | 60. | 60. | 60. | 30. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 65. | 65. | 35. | 35. | 40. |
Tend (C) | 250. | 250. | 195. | 195. | 200. |
Heat rate (K/min) | 2. | 2. | 2. | 2. | 2. |
Initial hold (min) | 10. | 10. | 5. | 10. | |
Final hold (min) | 60. | 60. | 90. | 90. | |
I | 1124. | 1125. | 1139. | 1139. | 1131. |
Reference | Pino and Marbot, 2001 | Pino, Marbot, et al., 2001 | Chung, 2000 | Chung, 1999 | Umano, Hagi, et al., 1992 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed |
---|---|---|---|
Active phase | OV-351 | Carbowax 20M | Carbowax 20M |
Column length (m) | 25. | ||
Carrier gas | N2 | He | |
Substrate | Celite 545 | ||
Column diameter (mm) | 0.32 | ||
Phase thickness (μm) | |||
Tstart (C) | 100. | 50. | 75. |
Tend (C) | 230. | 160. | 228. |
Heat rate (K/min) | 6. | 1. | 4.6 |
Initial hold (min) | 10. | ||
Final hold (min) | |||
I | 1160. | 1120. | 1129. |
Reference | Korhonen, 1985 | Chen, Kuo, et al., 1982 | van den Dool and Kratz, 1963 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aubert C. and Pitrat M., 2006
Aubert C.; Pitrat M.,
Volatile compounds in the skin and pulp of Queen Anne's pocket melon,
J. Agric. Food Chem., 2006, 54, 21, 8177-8182, https://doi.org/10.1021/jf061415s
. [all data]
Gurbuz O., Rouseff J.M., et al., 2006
Gurbuz O.; Rouseff J.M.; Rouseff R.L.,
Comparison of aroma volatiles in commercial Merlot and Cabernet Sauvignon wines using gas chromatography - Olfactometry and gas chromatography - Mass spectrometry,
J. Agric. Food Chem., 2006, 54, 11, 3990-3996, https://doi.org/10.1021/jf053278p
. [all data]
Kourkoutas, Elmore, et al., 2006
Kourkoutas, D.; Elmore, J.S.; Mottram, D.S.,
Comparison of the volatile compositions and flavour properties of cantaloupe, Galia and honeydew muskmelons,
Food Chem., 2006, 97, 1, 95-102, https://doi.org/10.1016/j.foodchem.2005.03.026
. [all data]
Bonvehí, 2005
Bonvehí, J.S.,
Investigation of aromatic compounds in roasted cocoa powder,
Eur. Food Res. Technol., 2005, 221, 1-2, 19-29, https://doi.org/10.1007/s00217-005-1147-y
. [all data]
Fang and Qian, 2005
Fang, Y.; Qian, M.,
Aroma compounds in Oregon Pinot Noir wine determined by aroma extract dilution analysis (AEDA),
Flavour Fragr. J., 2005, 20, 1, 22-29, https://doi.org/10.1002/ffj.1551
. [all data]
Avsar, Karagul-Yuceer, et al., 2004
Avsar, Y.K.; Karagul-Yuceer, Y.; Drake, M.A.; Singh, T.K.; Yoon, Y.; Cadwallader, K.R.,
Characterization of nutty flavor in cheddar cheese,
J. Dairy Sci., 2004, 87, 7, 1999-2010, https://doi.org/10.3168/jds.S0022-0302(04)70017-X
. [all data]
Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D.,
Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y
. [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]
Emilio Tomei, Manganelli, et al., 2003
Emilio Tomei, P.; Manganelli, R.E.U.; Flamini, G.; Cioni, P.L.; Morelli, I.,
Composition of the essential oil of Mentha microphylla from the Gennargentu Mountains (Sardinia, Italy),
J. Agric. Food Chem., 2003, 51, 12, 3614-3617, https://doi.org/10.1021/jf026091w
. [all data]
Pino and Marbot, 2001
Pino, J.A.; Marbot, R.,
Volatile flavor constituents of acerola (Malpighia emarginata DC.) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5880-5882, https://doi.org/10.1021/jf010270g
. [all data]
Pino, Marbot, et al., 2001
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5883-5887, https://doi.org/10.1021/jf010414r
. [all data]
Chung, 2000
Chung, H.Y.,
Volatile flavor components in red fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 2000, 48, 5, 1803-1809, https://doi.org/10.1021/jf991272s
. [all data]
Chung, 1999
Chung, H.Y.,
Volatile components in fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 1999, 47, 7, 2690-2696, https://doi.org/10.1021/jf981166a
. [all data]
Umano, Hagi, et al., 1992
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T.,
Volatile constituents of green and ripened pineapple (Aanas comosus [L.] Merr.),
J. Agric. Food Chem., 1992, 40, 4, 599-603, https://doi.org/10.1021/jf00016a014
. [all data]
Korhonen, 1985
Korhonen, I.O.O.,
Gas-liquid chromatographic analyses. XLIII. Retention increments for 2-chloro-, 2,2-dichloro- and 2,2,2-trichloroethyl esters of aliphatic C2-C20 n-alkanoic acids on SE-30 and OV-351 capillary columns,
J. Chromatogr., 1985, 329, 43-56, https://doi.org/10.1016/S0021-9673(01)81894-X
. [all data]
Chen, Kuo, et al., 1982
Chen, C.-C.; Kuo, M.-C.; Hwang, L.S.; Wu, J.S.-B.; Wu, C.-M.,
Headspace components of passion fruit juice,
J. Agric. Food Chem., 1982, 30, 6, 1211-1215, https://doi.org/10.1021/jf00114a052
. [all data]
van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec.,
A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography,
J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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