Hexanoic acid, 1-methylethyl ester
- Formula: C9H18O2
- Molecular weight: 158.2380
- IUPAC Standard InChIKey: JSHDAORXSNJOBA-UHFFFAOYSA-N
- CAS Registry Number: 2311-46-8
- 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: Hexanoic acid, isopropyl ester; Isopropyl hexanoate; n-C5H11C(O)OCH(CH3)2; n-Caproic acid isopropyl ester; iso-Propyl n-hexanoate; Isopropyl caproate
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Phase change data
Go To: Top, 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.3 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. to 383. K. |
Gas Chromatography
Go To: Top, Phase change data, 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 | OV-101 | 80. | 1022. | Komárek, Hornová, et al., 1983 | Column length: 15. m; Column diameter: 0.22 mm |
Packed | SE-30 | 150. | 1008. | Ashes and Haken, 1974 | Celaton (62-72 mesh); Column length: 3.7 m |
Packed | SE-30 | 100. | 1020. | Chastrette, Heintz, et al., 1974 | N2, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Packed | SE-30 | 150. | 1018. | Germaine and Haken, 1969 | Celite 560; Column length: 3.7 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1008. | Chretien and Dubois, 1978 | Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 100. | 1228. | Chastrette, Heintz, et al., 1974 | Chromosorb WAW (60-80 mesh); Column length: 3. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-1 | 1018. | Larráyoz, Addis, et al., 2001 | 30. m/0.32 mm/4. μm, He, 45. C @ 13. min, 5. K/min, 240. C @ 5. min |
Capillary | DB-1 | 1026. | Brat, Brillouet, et al., 2000 | 30. m/0.32 mm/0.25 μm, H2, 40. C @ 3. min, 3. K/min, 245. C @ 20. min |
Capillary | DB-5 | 1046. | Moio and Addeo, 1998 | 30. m/0.32 mm/1. μm, H2, 3. K/min; Tstart: 40. C; Tend: 210. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 5 % Phenyl methyl siloxane | 1034. | Ramirez R. and Cava R., 2007 | 30. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min |
Capillary | 5 % Phenyl methyl siloxane | 1034. | Ramirez R. and Cava R., 2007 | 30. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min |
Capillary | HP-5 | 1019. | Azodanlou, Darbellay, et al., 2003 | 25. m/0.2 mm/0.33 μm, He, 4. K/min, 190. C @ 5. min; Tstart: 40. C |
Capillary | SE-30 | 1021. | Dirinck, de Pooter, et al., 1981 | N2, 2. K/min; Column length: 200. m; Column diameter: 0.6 mm; Tstart: 20. C; Tend: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1008. | Liu, Liang, et al., 2007 | Program: not specified |
Capillary | SE-30 | 1021. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-5 | 1040. | Qian and Reineccius, 2003 | 30. m/0.32 mm/1. μm; Program: 35C(4min) => 2C/min => 130C => 4C/min => 250C |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1236. | Werkhoff, Güntert, et al., 1998 | 60. m/0.32 mm/0.25 μm, H2, 3. K/min; Tstart: 60. C; Tend: 220. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1223. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Komárek, Hornová, et al., 1983
Komárek, K.; Hornová, L.; Horna, A.; Churácek, J.,
Glass capillary gas chromatography of homologous series of esters. IV. Separation of homologous series of certain halogenopropyl esters of aliphatic carboxylic acids on OV-101,
J. Chromatogr., 1983, 281, 299-303, https://doi.org/10.1016/S0021-9673(01)87889-4
. [all data]
Ashes and Haken, 1974
Ashes, J.R.; Haken, J.K.,
Gas chromatography of homologous esters. VI. Structure-retention increments of aliphatic esters,
J. Chromatogr., 1974, 101, 1, 103-123, https://doi.org/10.1016/S0021-9673(01)94737-5
. [all data]
Chastrette, Heintz, et al., 1974
Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D.,
Analyse chromatographique d'esters aliphatiques saturés. Relations rétention-structure et prévision de la rétention,
Bull. Soc. Chim. Fr., 1974, 9/10,Pt.1, 1852-1856. [all data]
Germaine and Haken, 1969
Germaine, R.W.; Haken, J.K.,
Gas chromatography of homologous esters. Part 1. Simple aliphatic esters,
J. Chromatogr., 1969, 43, 33-42, https://doi.org/10.1016/S0021-9673(00)99162-3
. [all data]
Chretien and Dubois, 1978
Chretien, J.R.; Dubois, J-E.,
Topological Analysis: A Technique for the Physico-Chemical Exploitation of Retention Data in Gas-Liquid Chromatography,
J. Chromatogr., 1978, 158, 43-56, https://doi.org/10.1016/S0021-9673(00)89954-9
. [all data]
Larráyoz, Addis, et al., 2001
Larráyoz, P.; Addis, M.; Gauch, R.; Bosset, J.O.,
Comparison of dynamic headspace and simultaneous distillation extraction techniques used for the analysis of the volatile components in three European PDO ewes milk cheeses,
Int. Dairy J., 2001, 11, 11-12, 911-926, https://doi.org/10.1016/S0958-6946(01)00144-3
. [all data]
Brat, Brillouet, et al., 2000
Brat, P.; Brillouet, J.-M.; Reynes, M.; Cogat, P.-O.; Ollé, D.,
Free volatile components of passion fruit puree obtained by flash vacuum-expansion,
J. Agric. Food Chem., 2000, 48, 12, 6210-6214, https://doi.org/10.1021/jf000645i
. [all data]
Moio and Addeo, 1998
Moio, L.; Addeo, F.,
Grana Padano cheese aroma,
J. Dairy Res., 1998, 65, 2, 317-333, https://doi.org/10.1017/S0022029997002768
. [all data]
Ramirez R. and Cava R., 2007
Ramirez R.; Cava R.,
Volatile profiles of dry-cured meat products from three different Iberian x Duroc genotypes,
J. Agric. Food Chem., 2007, 55, 5, 1923-1931, https://doi.org/10.1021/jf062810l
. [all data]
Azodanlou, Darbellay, et al., 2003
Azodanlou, R.; Darbellay, C.; Luisier, J.-L.; Villettaz, J.-C.; Amadò, R.,
Quality assessment of strawberries (Fragaria species),
J. Agric. Food Chem., 2003, 51, 3, 715-721, https://doi.org/10.1021/jf0200467
. [all data]
Dirinck, de Pooter, et al., 1981
Dirinck, P.J.; de Pooter, H.L.; Willaert, G.A.; Schamp, N.M.,
Flavor quality of cultivated strawberries: the role of the sulfur compounds,
J. Agric. Food Chem., 1981, 29, 2, 316-321, https://doi.org/10.1021/jf00104a024
. [all data]
Liu, Liang, et al., 2007
Liu, F.; Liang, Y.; Cao, C.; Zhou, N.,
QSPR study of GC retention indices for saturated esters on seven stationary phases based on novel topological indices,
Talanta, 2007, 72, 4, 1307-1315, https://doi.org/10.1016/j.talanta.2007.01.038
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Qian and Reineccius, 2003
Qian, M.; Reineccius, G.,
Potent aroma compounds in Parmigiano Reggiano cheese studied using a dynamic headspace (purge-trap) method,
Flavour Fragr. J., 2003, 18, 3, 252-259, https://doi.org/10.1002/ffj.1194
. [all data]
Werkhoff, Güntert, et al., 1998
Werkhoff, P.; Güntert, M.; Krammer, G.; Sommer, H.; Kaulen, J.,
Vacuum headspace method in aroma research: flavor chemistry of yellow passion fruits,
J. Agric. Food Chem., 1998, 46, 3, 1076-1093, https://doi.org/10.1021/jf970655s
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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