Butanoic acid, 3-methyl-, 2-methylbutyl ester
- Formula: C10H20O2
- Molecular weight: 172.2646
- IUPAC Standard InChIKey: CYGPPWVXOWCHJB-UHFFFAOYSA-N
- CAS Registry Number: 2445-77-4
- 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: Isovaleric acid, 2-methylbutyl ester; 2-Methylbutyl isovalerate; 2-Methylbutyl 3-methylbutyrate; 2-Methylbutyl isopentanoate; 2-Methylbutyl 3-methylbutanoate; 2-methylbutyl isovalerate (2-methylbutyl-3-methyl butyrate)
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Normal alkane RI, non-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 | HP-5 | HP-5 | SLB-5 MS | ZB-1 | DB-1 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | Helium | Hydrogen | Helium | Nitrogen | He |
Substrate | |||||
Column diameter (mm) | 0.252 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Tstart (C) | 60. | 70. | 50. | 45. | 50. |
Tend (C) | 240. | 290. | 250. | 230. | 220. |
Heat rate (K/min) | 3. | 5. | 3. | 3. | 6. |
Initial hold (min) | 2. | 2. | |||
Final hold (min) | 10. | 20. | |||
I | 1107. | 1109. | 1107. | 1089. | 1094. |
Reference | Cavar, Maksimovic, et al., 2010 | Radulovic, Dordevic, et al., 2010 | Lo Presti, Sciarrone, et al., 2008 | Mierendorff, Stahl-Biskup, et al., 2008 | Audino, Alzogaray, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|
Active phase | HP-5 | HP-5 | ZB-1 | OV-1 |
Column length (m) | 30. | 60. | 30. | 183. |
Carrier gas | H2 | He | N2 | N2 |
Substrate | ||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.762 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 50. | 30. | 45. | 0. |
Tend (C) | 280. | 260. | 230. | 230. |
Heat rate (K/min) | 4. | 2. | 3. | 1. |
Initial hold (min) | 2. | 2. | ||
Final hold (min) | 10. | 28. | ||
I | 1105. | 1108.7 | 1089. | 1092. |
Reference | Pino, Sauri-Duch, et al., 2006 | Leffingwell and Alford, 2005 | Mierendorff, Stahl-Biskup, et al., 2003 | Schreyen, Dirinck, et al., 1979 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-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.
Cavar, Maksimovic, et al., 2010
Cavar, S.; Maksimovic, M.; Solic, M.E.,
Comparison of essential oil composition of Stachys menthufolia Vis. from two natural habitas in Croatia,
Biologica Nyssana, 2010, 1, 1-2, 99-103. [all data]
Radulovic, Dordevic, et al., 2010
Radulovic, N.S.; Dordevic, N.D.; Palic, R.M.,
Volatiles of Pleurospermum austriacum (L.) Hoffm. (Apiaceae),
J. Serbian Chem. Soc., 2010, 75, 12, 1-11, https://doi.org/10.2298/JSC100323127R
. [all data]
Lo Presti, Sciarrone, et al., 2008
Lo Presti, M.; Sciarrone, D.; Crupi, M.C.; Costa, R.; Ragusa, S.; Dugo, G.; Mondello, L.,
Evaliation of the volatile and chiral composition in Pistacia lentiscus L. essential oil,
Flavour Fragr. J., 2008, 23, 4, 249-257, https://doi.org/10.1002/ffj.1878
. [all data]
Mierendorff, Stahl-Biskup, et al., 2008
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008, retrieved from http://www.chemische-analysen-hamburg.de/Publikationen?CapeChamomileOil/. [all data]
Audino, Alzogaray, et al., 2007
Audino, P.G.; Alzogaray, R.A.; Vassena, C.; Masuh, H.; Fontán, A.; Gatti, P.; Martínez, A.; Camps, F.; Cork, A.; Zerba, E.,
Volatile compounds secreted by Brindley's glands of adult Triatoma infestans: identification and biological activity of previously unidentified compounds,
Journal of Vector Ecology, 2007, 32, 1, 75-82, https://doi.org/10.3376/1081-1710(2007)32[75:VCSBBO]2.0.CO;2
. [all data]
Pino, Sauri-Duch, et al., 2006
Pino, J.; Sauri-Duch, E.; Marbot, R.,
Changes in volatile compounds of Habanero chile pepper (Capsicum chinense Jack. cv. Habanero) at two ripening stages,
Food Chem., 2006, 94, 3, 394-398, https://doi.org/10.1016/j.foodchem.2004.11.040
. [all data]
Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D.,
Volatile constituents of Perique tobacco,
Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]
Mierendorff, Stahl-Biskup, et al., 2003
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctulatus),
Flavour Fragr. J., 2003, 18, 6, 510-514, https://doi.org/10.1002/ffj.1259
. [all data]
Schreyen, Dirinck, et al., 1979
Schreyen, L.; Dirinck, P.; Sandra, P.; Schamp, N.,
Flavor analysis of quince,
J. Agric. Food Chem., 1979, 27, 4, 872-876, https://doi.org/10.1021/jf60224a058
. [all data]
Notes
Go To: Top, Normal alkane RI, non-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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