Pentanal, 2-methyl-
- Formula: C6H12O
- Molecular weight: 100.1589
- IUPAC Standard InChIKey: FTZILAQGHINQQR-UHFFFAOYSA-N
- CAS Registry Number: 123-15-9
- 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: Valeraldehyde, 2-methyl-; α-Methylpentanal; 2-Formylpentane; 2-Methylpentanal; 2-Methylvaleraldehyde; n-C3H7CH(CH3)CHO; 2-Methyl-n-valeraldehyde; 2-Methylpental; 2-Methylpentaldehyde; α-Methyl valeraldehyde; UN 2367; 2-Methylvaleric aldehyde; NSC 49351
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Mass spectrum (electron ionization)
Go To: Top, Gas Chromatography, 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
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. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 113087 |
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, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 736. | Takeoka, Perrino, et al., 1996 | 60. m/0.25 mm/0.25 μm, 30. C @ 4. min, 2. K/min; Tend: 220. C |
Capillary | DB-1 | 745. | Takeoka, Perrino, et al., 1996 | 60. m/0.25 mm/0.25 μm, 30. C @ 4. min, 2. K/min; Tend: 220. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 745.8 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | OV-1 | 740. | Schreyen, Dirinck, et al., 1976 | N2, 1. K/min; Column length: 183. m; Tstart: 0. C; Tend: 230. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 777. | Hanum, Sinha, et al., 1995 | 30. m/0.25 mm/0.25 μm, He, 5. K/min; Tstart: 35. C; Tend: 150. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 758. | Fang, Pu, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: 30 0C (1 min) 2 0C/min -> 100 0C (5 min) 5 0C/min -> 170 0C |
Capillary | HP-5 | 760. | Splivallo, Bossi, et al., 2007 | He; Program: 50C => 3C/min => 200C(10min) => 10C/min => 290C(10min) |
Capillary | HP-5 MS | 791. | Pyun and Shin, 2006 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (3 min) 2 0C/min -> 150 0C 20 0C/min -> 220 0C (5 min) |
Capillary | SE-30 | 760. | Vinogradov, 2004 | Program: not specified |
Capillary | Methyl Silicone | 746. | Misharina, 1995 | Program: not specified |
Capillary | DB-1 | 725. | Ciccioli, Cecinato, et al., 1994 | 60. m/0.32 mm/0.25 μm; Program: not specified |
Capillary | DB-1 | 725. | Ciccioli, Brancaleoni, et al., 1993 | 60. m/0.32 mm/0.25 μm; Program: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min |
Capillary | CP Sil 8 CB | 762. | Weller and Wolf, 1989 | 40. m/0.25 mm/0.25 μm, He; Program: 30 0C (1 min) 15 0C/min -> 45 0C 3 0C/min -> 120 0C |
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.
Takeoka, Perrino, et al., 1996
Takeoka, G.; Perrino, C., Jr.; Buttery, R.,
Volatile constituents of used frying oils,
J. Agric. Food Chem., 1996, 44, 3, 654-660, https://doi.org/10.1021/jf950430m
. [all data]
Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J.,
Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere,
Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003
. [all data]
Schreyen, Dirinck, et al., 1976
Schreyen, L.; Dirinck, P.; van Wassenhove, F.; Schamp, N.,
Volatile flavor components of leek,
J. Agric. Food Chem., 1976, 24, 2, 336-341, https://doi.org/10.1021/jf60204a056
. [all data]
Hanum, Sinha, et al., 1995
Hanum, T.; Sinha, N.K.; Guyer, D.E.; Cash, J.N.,
Pyruvate and flavor development in macerated onions (Allium cepa L.) by γ-glutamyl transpeptidase and exogenous C-S lyase,
Food Chem., 1995, 54, 2, 183-188, https://doi.org/10.1016/0308-8146(95)00027-G
. [all data]
Fang, Pu, et al., 2012
Fang, S.; Pu, B.; Chen, A.; Kangzhou, Ao; Xu, D.,
A box-behnken design for characterizing Chineser truffles (Tuber indicum) aroma by HS-SPME-GC-MS,
J. Food Res., 2012, 1, 3, 219-229, https://doi.org/10.5539/jfr.v1n3p219
. [all data]
Splivallo, Bossi, et al., 2007
Splivallo, R.; Bossi, S.; Maffei, M.; Bonfante, P.,
Discrimination of truffle fruiting body versus mycelial aromas by stir bar sorptive extraction,
Phytochemistry, 2007, 68, 20, 2584-2598, https://doi.org/10.1016/j.phytochem.2007.03.030
. [all data]
Pyun and Shin, 2006
Pyun, M.-S.; Shin, S.,
Antifungal effects of the volatile oils from Allium plants against Trichophyton species and synergism of the oils with ketoconazole,
Phytomedicine, 2006, 13, 6, 394-400, https://doi.org/10.1016/j.phymed.2005.03.011
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Misharina, 1995
Misharina, T.A.,
Sorption regularities of sulfur- and oxygen-containing compounds in chromatography and their application in identification of volatile organic compounds, Diss. degree of Dr. Sci. (Chemistry), 1995, 52. [all data]
Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R.,
Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas,
Eur Commission EUR, 1994, 549-568. [all data]
Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M.,
Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry,
J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F
. [all data]
Weller and Wolf, 1989
Weller, J.-P.; Wolf, M.,
Massenspektroskopie und Headspace-GC,
Beitr. Gerichtl. Med., 1989, 47, 525-532. [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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