Heptanoic acid, ethyl ester
- Formula: C9H18O2
- Molecular weight: 158.2380
- IUPAC Standard InChI: InChI=1S/C9H18O2/c1-3-5-6-7-8-9(10)11-4-2/h3-8H2,1-2H3
- IUPAC Standard InChIKey: TVQGDYNRXLTQAP-UHFFFAOYSA-N
- CAS Registry Number: 106-30-9
- 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: Aether oenanthicus; Cognac oil; Enanthylic ether; Ethyl enanthate; Ethyl heptanoate; Ethyl heptoate; Ethyl heptylate; Ethyl n-heptanoate; Ethyl oenanthate; Ethyl oenanthylate; Grape oil; Oenanthic ether; Oleum vitis viniferae; Wine oil; Enanthic acid ethyl ester; Ethyl ester of heptanoic acid; NSC 8891; ethyl enantate
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Van Den Dool and Kratz RI, polar column, custom temperature program
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 | Supelcowax-10 | Supelcowax-10 | DB-Wax | CP-Wax 52CB | CP-Wax 52CB |
| Column length (m) | 30. | 30. | 50. | 60. | |
| Carrier gas | He | He | He | He | |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
| Phase thickness (μm) | 0.25 | 0.25 | 0.2 | 0.25 | |
| Program | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | not specified | 33C(1.5min) => 1.5C/min => 60C(4min) => 2C/min => 100C => 8C/min => 220C(15min) | 45C(5min) => 10C/min => 80C => 2C/min => 240C |
| I | 1331. | 1327. | 1341. | 1324. | 1331. |
| Reference | Bianchi, Careri, et al., 2007 | Bianchi, Careri, et al., 2007 | Elston, Lin, et al., 2005 | Kaack, Christensen, et al., 2005 | Verzera, Ziino, et al., 2004 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | Carbowax 20M |
| Column length (m) | 150. |
| Carrier gas | |
| Substrate | |
| Column diameter (mm) | 0.75 |
| Phase thickness (μm) | |
| Program | not specified |
| I | 1332. |
| Reference | Whitfield, Shea, et al., 1981 |
| Comment | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M.,
Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness,
J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393
. [all data]
Elston, Lin, et al., 2005
Elston, A.; Lin, J.; Rouseff, R.,
Determination of the role of valencene in orange oil as a direct contributor to aroma quality,
Flavour Fragr. J., 2005, 20, 4, 381-386, https://doi.org/10.1002/ffj.1578
. [all data]
Kaack, Christensen, et al., 2005
Kaack, K.; Christensen, L.P.; Hughes, M.; Eder, R.,
The relationship between sensory quality and volatile compounds in raw juice processed from elderberries ( Sambucus nigra L.),
Eur. Food Res. Technol., 2005, 221, 3-4, 244-254, https://doi.org/10.1007/s00217-005-1141-4
. [all data]
Verzera, Ziino, et al., 2004
Verzera, A.; Ziino, M.; Condurso, C.; Romeo, V.; Zappala, M.,
Solid-phase microextraction and gas chromatography-mass spectrometry for rapid characterisation of semi-hard cheeses,
Anal. Bioanal. Chem., 2004, 380, 7-8, 930-936, https://doi.org/10.1007/s00216-004-2879-4
. [all data]
Whitfield, Shea, et al., 1981
Whitfield, F.B.; Shea, S.R.; Gillen, K.J.; Shaw, K.J.,
Volatile components from the roots of Acacia pulchella R.Br. and their effect on Phytophthora cinnamomi rands,
Aust. J. Bot., 1981, 29, 2, 195-208, https://doi.org/10.1071/BT9810195
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, polar column, custom temperature program, References
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