2-Butenoic acid, 2-methyl-, 2-methylpropyl ester, (Z)-
- Formula: C9H16O2
- Molecular weight: 156.2221
- IUPAC Standard InChI: InChI=1S/C9H16O2/c1-5-8(4)9(10)11-6-7(2)3/h5,7H,6H2,1-4H3/b8-5-
- IUPAC Standard InChIKey: XDEGQMQKHFPBEW-YVMONPNESA-N
- CAS Registry Number: 7779-81-9
- 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. - Stereoisomers:
- Other names: Crotonic acid, 2-methyl-, isobutyl ester, (Z)-; Isobutyl angelate; Isobutyl cis-2-methyl-2-butenoate; 2-Methylpropyl angelate; isobutyl 2-methylisocrotonate
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Gas Chromatography
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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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1035. | Omidbaigi, Sefidkon, et al., 2004 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 4. K/min; Tend: 280. C |
| Capillary | CP Sil 5 CB | 1060. | Montanarella, Bos, et al., 1986 | N2, 4. K/min; Column length: 25. m; Column diameter: 0.22 mm; Tstart: 70. C; Tend: 295. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1055.4 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | ZB-1 | 1030. | Mierendorff, Stahl-Biskup, et al., 2008 | 30. m/0.25 mm/0.25 μm, Nitrogen, 3. K/min; Tstart: 45. C; Tend: 230. C |
| Capillary | ZB-1 | 1030. | Mierendorff, Stahl-Biskup, et al., 2003 | 30. m/0.25 mm/0.25 μm, N2, 3. K/min; Tstart: 45. C; Tend: 230. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-52 | 1035. | Tognolini, Barocelli, et al., 2006 | 30. m/0.32 mm/0.15 μm, He; Program: 45C => 1C/min => 100C => 5C/min => 250C (10min) |
| Capillary | SE-30 | 1033. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax PEG CB | 1293. | Adams and Dev, 2010 | 30. m/0.25 mm/0.25 μm, Helium, 3. K/min; Tstart: 60. C; Tend: 246. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1287. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Omidbaigi, Sefidkon, et al., 2004
Omidbaigi, R.; Sefidkon, F.; Kazemi, F.,
Influence of drying methods on the essential oil content and composition of Roman chamomile,
Flavour Fragr. J., 2004, 19, 3, 196-198, https://doi.org/10.1002/ffj.1340
. [all data]
Montanarella, Bos, et al., 1986
Montanarella, L.; Bos, R.; Fischer, F.C.,
The Essential Oil in Lamina and Petiole of Heracleum dissectum Leaves,
Planta Medica, 1986, 52, 04, 332-334, https://doi.org/10.1055/s-2007-969171
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [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]
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]
Tognolini, Barocelli, et al., 2006
Tognolini, M.; Barocelli, E.; Ballabeni, V.; Bruni, R.; Bianchi, A.; Chiavarini, M.; Impicciatore, M.,
Comparative screening of plant essential oils: Phenylpropanoid moiety as basic core for antiplatelet activity,
Life Sciences, 2006, 78, 13, 1419-1432, https://doi.org/10.1016/j.lfs.2005.07.020
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Adams and Dev, 2010
Adams, R.P.; Dev, V.,
Synthesis and GC-MS analysis of angelates and tiglates as an aid to identification of these components in essential oils,
Flavour Fragr. J., 2010, 25, 2, 71-74, https://doi.org/10.1002/ffj.1968
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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