Pentanoic acid
- Formula: C5H10O2
- Molecular weight: 102.1317
- IUPAC Standard InChIKey: NQPDZGIKBAWPEJ-UHFFFAOYSA-N
- CAS Registry Number: 109-52-4
- 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: Valeric acid; n-Pentanoic acid; n-Valeric acid; Propylacetic acid; Valerianic acid; 1-Butanecarboxylic acid; n-C4H9COOH; Butanecarboxylic acid; Kyselina valerova; Valeric acid, normal; 1-Pentanoic acid; NSC 406833; Valeric acid, n-; NA 1760
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Van Den Dool and Kratz RI, non-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 | VF-5MS | SE-54 | DB-5 | DB-1 | DB-1 |
Column length (m) | 30. | 30. | 30. | 60. | 15. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.25 | 0.53 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 1. |
Program | Multi-step temperature program; T(initial)=60C; T(final)=270C | 40C(2min) => 6C/min => 150C => 20C/min => 230C | 40C(1min) => 40C/min => 50C(2min) => 6C/min => 240C | -20C (5min) => 10C/min => 100C => 4C/min => 200C => 10C/min => 280C | 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min) |
I | 933.3 | 911. | 926. | 938. | 894. |
Reference | Tret'yakov, 2008 | Schuh and Schieberle, 2006 | Jezussek, Juliano, et al., 2002 | Eri, Khoo, et al., 2000 | Peng, 2000 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Packed |
---|---|---|
Active phase | Methyl Silicone | SE-30 |
Column length (m) | 3.05 | |
Carrier gas | ||
Substrate | Supelcoport; Chromosorb | |
Column diameter (mm) | ||
Phase thickness (μm) | ||
Program | not specified | 40C(5min) => 10C/min => 200C or 250C (60min) |
I | 925. | 924. |
Reference | Peng, Yang, et al., 1991 | Peng, Ding, et al., 1988 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-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.
Tret'yakov, 2008
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2008. [all data]
Schuh and Schieberle, 2006
Schuh, C.; Schieberle, P.,
Characterization of the Key Aroma Compounds in the Beverage Prepared from Darjeeling Black Tea: Quantitative Differences between Tea Leaves and Infusion,
J. Agric. Food Chem., 2006, 54, 3, 916-924, https://doi.org/10.1021/jf052495n
. [all data]
Jezussek, Juliano, et al., 2002
Jezussek, M.; Juliano, B.O.; Schieberle, P.,
Comparison of key aroma compounds in cooked brown rice varieties based on aroma extract dilution analysis,
J. Agric. Food Chem., 2002, 50, 5, 1101-1105, https://doi.org/10.1021/jf0108720
. [all data]
Eri, Khoo, et al., 2000
Eri, S.; Khoo, B.K.; Lech, J.; Hartman, T.G.,
Direct thermal desorption-gas chromatography and gas chromatography-mass spectrometry profiling of hop (Humulus lupulus L.) essential oils in support of varietal characterization,
J. Agric. Food Chem., 2000, 48, 4, 1140-1149, https://doi.org/10.1021/jf9911850
. [all data]
Peng, 2000
Peng, C.T.,
Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index,
J. Chromatogr. A, 2000, 903, 1-2, 117-143, https://doi.org/10.1016/S0021-9673(00)00901-8
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Maltby, D.,
Prediction of retention indexes. III. Silylated derivatives of polar compounds,
J. Chromatogr., 1991, 586, 1, 113-129, https://doi.org/10.1016/0021-9673(91)80029-G
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, References
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