Pentanoic acid, 3-methyl-, ethyl ester
- Formula: C8H16O2
- Molecular weight: 144.2114
- IUPAC Standard InChIKey: TXAWGHYFBQBVNK-UHFFFAOYSA-N
- CAS Registry Number: 5870-68-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Valeric acid, 3-methyl-, ethyl ester; Ethyl β-methylvalerate; Ethyl 3-methylpentanoate; 3-Methylpentanoic acid, ethyl ester; ethyl 3-methylvalerate
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Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
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NIST MS number | 4071 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
Kovats' RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1181. | Garruti, Franco, et al., 2001 | H2; Column length: 30. m; Column diameter: 0.25 mm; Program: 50 0C (8 min) 4 K/min -> 110 0C 16 K/min -> 200 0C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 5 % Phenyl methyl siloxane | 960. | Campo, Ferreira, et al., 2006 | He, 60. C @ 6. min, 4. K/min; Column length: 30. m; Column diameter: 0.53 mm; Tend: 230. C |
Capillary | DB-1 | 940.3 | Sun and Stremple, 2003 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | AT-Wax | 1184. | Campo, Ferreira, et al., 2006 | H2, 40. C @ 5. min, 3. K/min; Column length: 30. m; Column diameter: 0.53 mm; Tend: 230. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-5 | 1004. | Setkova, Risticevic, et al., 2007 | 10. m/0.18 mm/0.2 μm, He, 40. C @ 0.5 min, 50. K/min, 275. C @ 0.5 min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane with 5 % Ph groups | 960. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 960. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | DB-5 | 960. | San-Juan, Petka, et al., 2010 | 30. m/0.32 mm/0.50 μm, Hydrogen; Program: 40 0C (5 min) 4 0C/min -> 100 0C 6 0C/min -> 220 0C (20 min) |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | TC-Wax | 1168. | 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 | 1182. | 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) |
Capillary | DB-Wax | 1185. | San-Juan, Petka, et al., 2010 | 30. m/0.32 mm/0.50 μm, Hydrogen; Program: 40 0C (5 min) 4 0C/min -> 100 0C 6 0C/min -> 220 0C (20 min) |
Capillary | DB-Wax | 1185. | Ferreira, Juan, et al., 2009 | 30. m/0.32 mm/0.50 μm; Program: 40 0C (5 min) 4 0C/min -> 100 0C 6 0C/min -> 220 0C (40 min) |
Capillary | PEG-20M | 1181. | Garruti, Franco, et al., 2003 | 30. m/0.25 mm/0.25 μm; Program: 50C(8min) => 4C/min => 110C => 16C/min => 200C |
References
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Garruti, Franco, et al., 2001
Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.A.P.; Janzantti, N.S.; Alves, G.L.,
Compostos voláteis do sabor de pseudofrutos de cajueiro anão precoce (Anacardium occidentale L.) CCP-76, Boletim de Pesquisa e Desenvolvimento 4, Empresa Brasileira de Pesquisa Agropecuária, Fortaleza, Brazil, 2001, 29, retrieved from http://www.cnpat.embrapa.br/publica/pub/BolPesq/pd4.pdf. [all data]
Campo, Ferreira, et al., 2006
Campo, E.; Ferreira, V.; López, R.; Escudero, A.; Cacho, J.,
Identification of three novel compounds in wine by means of a laboratory-constructed multidimensional gas chromatographic system,
J. Chromatogr. A, 2006, 1122, 1-2, 202-208, https://doi.org/10.1016/j.chroma.2006.04.048
. [all data]
Sun and Stremple, 2003
Sun, G.; Stremple, P.,
Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]
Setkova, Risticevic, et al., 2007
Setkova, L.; Risticevic, S.; Pawliszyn, J.,
Rapid headspace solid-phase microextraction-gas chromatographic?time-of-flight mass spectrometric method for qualitative profiling of ice wine volatile fraction II: Classification of Canadian and Czech ice wines using statistical evaluation of the data,
J. Chromatogr. A, 2007, 1147, 2, 224-240, https://doi.org/10.1016/j.chroma.2007.02.052
. [all data]
Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D.,
Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data),
Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023
. [all data]
San-Juan, Petka, et al., 2010
San-Juan, F.; Petka, J.; Cacho, J.; Ferreira, V.; Escudero, A.,
Producing headspace extracts for the gas chromatography - olphactometric evaluation of wine aroma,
Food Chemistry, 2010, 123, 1, 188-195, https://doi.org/10.1016/j.foodchem.2010.03.129
. [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]
Ferreira, Juan, et al., 2009
Ferreira, V.; Juan, F.S.; Escudero, A.; Cullere, L.; Fernandez-Zurbano, P.; Saenz-Navajas, M.P.; Cacho, J.,
Modeling quality of premium Spanish red wines from gas chromatography-olfactometry data,
J. Agr. Food. Chem., 2009, 57, 16, 7490-7498, https://doi.org/10.1021/jf9006483
. [all data]
Garruti, Franco, et al., 2003
Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.P.; Janzantti, N.S.; Alves, G.L.,
Evaluation of volatile flavour compounds from cashew apple (Anacardium occidentale L) juice by the Osme gas chromatography/olfactometry technique,
J. Sci. Food Agric., 2003, 83, 14, 1455-1462, https://doi.org/10.1002/jsfa.1560
. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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