Pentanoic acid, 2-hydroxy-4-methyl-, methyl ester
- Formula: C7H14O3
- Molecular weight: 146.1843
- IUPAC Standard InChI: InChI=1S/C7H14O3/c1-5(2)4-6(8)7(9)10-3/h5-6,8H,4H2,1-3H3
- IUPAC Standard InChIKey: JOSNYUDSMPILKL-UHFFFAOYSA-N
- CAS Registry Number: 40348-72-9
- 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: Valeric acid, 2-hydroxy-4-methyl-, methyl ester; methyl 2-hydroxy-4-methylpentanoate; 2-Hydroxyisocaproic acid, methyl ester; methyl 2-hydroxy-4-methylvalerate
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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 | 1013. | Osorio, Alarcon, et al., 2006 | 25. m/0.2 mm/0.33 μm, 4. K/min; Tstart: 50. C; Tend: 300. C |
| Capillary | CP Sil 5 CB | 966. | Pino, Almora, et al., 2003 | 60. m/0.32 mm/0.25 μm, He, 60. C @ 10. min, 3. K/min, 280. C @ 60. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 994.9 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1516. | Osorio, Alarcon, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 4. K/min, 220. C @ 20. min |
| Capillary | AT-Wax | 1510. | Pino, Almora, et al., 2003 | 60. m/0.32 mm/0.25 μm, He, 65. C @ 10. min, 2. K/min, 250. C @ 60. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | TC-Wax | 1470. | Suhardi, Suzuki, et al., 2002 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 3. K/min, 230. C @ 10. min |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1522. | Sampaio, Garruti, et al., 2011 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 35 0C (9 min) 5 0C/min -> 80 0C 1 0C/min -> 100 0C 16 0C/min -> 210 0C (20 min) |
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.
Osorio, Alarcon, et al., 2006
Osorio, C.; Alarcon, M.; Moreno, C.; Bonilla, A.; Barrios, J.; Garzon, C.; Duque, C.,
Characterization of Odor-Active Volatiles in Champa ( Campomanesia lineatifolia R. P.),
J. Agric. Food Chem., 2006, 54, 2, 509-516, https://doi.org/10.1021/jf052098c
. [all data]
Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R.,
Volatile components of papaya (Carica papaya L., maradol variety) fruit,
Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248
. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]
Suhardi, Suzuki, et al., 2002
Suhardi, S.; Suzuki, M.; Yoshida, K.; Muto, T.; Fujita, A.; Watanbe, N.,
Changes in the volatile compounds and in the chemical and physical properties of snake fruit (Salacca edulis Reinw) Cv. Pondoh during maturation,
J. Agric. Food Chem., 2002, 50, 26, 7627-7633, https://doi.org/10.1021/jf020620e
. [all data]
Sampaio, Garruti, et al., 2011
Sampaio, K.S.; Garruti, D.S.; Franco, M.R.B.; Janzantti, N.S.; Da Silva, M.A.AP.,
Aroma volatiles recovered in the water phase of cashew apple (Anacardium occidentale L.) juice during concentration,
J. Sci. Food Agric., 2011, 91, 10, 1801-1809, https://doi.org/10.1002/jsfa.4385
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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