Propanoic acid, 2-hydroxy-, methyl ester, (.+/-.)-
- Formula: C4H8O3
- Molecular weight: 104.1045
- IUPAC Standard InChIKey: LPEKGGXMPWTOCB-UHFFFAOYSA-N
- CAS Registry Number: 2155-30-8
- 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: Lactic acid, methyl ester, (.+/-.)-; Propanoic acid, 2-hydroxy-, methyl ester, (±)-; Lactic acid, methyl ester, (±)-; Methyl 2-hydroxypropanoate; Methyl lactate; lactic acid, methyl ester; Propanoic acid, 2-hydroxy, methyl ester; methyl (±)-lactate
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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. |
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Origin | Japan AIST/NIMC Database- Spectrum MS-NW-4338 |
NIST MS number | 229627 |
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
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-Wax | 1309. | Ledauphin, Saint-Clair, et al., 2004 | 30. m/0.25 mm/0.15 μm, He, 35. C @ 5. min, 5. K/min, 220. C @ 10. min |
Capillary | DB-Wax | 1314. | Umano, Hagi, et al., 1992 | He, 40. C @ 10. min, 2. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 754. | da Fonseca, Bizerra, et al., 2009 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 35 0C 4 0C/min -> 180 0C 17 0C/min -> 280 0C (10 min) |
Capillary | HP-1 | 713. | Teai, Claude-Lafontaine, et al., 2001 | 50. m/0.32 mm/0.52 μm, N2; Program: 40C => 2C/min => 130C => 4C/min => 250C |
Capillary | DB-5 | 748. | Mateo and Zumalacárregui, 1996 | 50. m/0.32 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min) |
Capillary | RSL-150 | 714. | Buchbauer, Nikiforov, et al., 1994 | 60. m/0.32 mm/0.25 μm, He; Program: 30c (1.5min) => 20C/min => 55C => 6C/min => 200C(10min) |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Wax | 1335. | Sanz, Maeztu, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Capillary | HP-Wax | 1335. | Sanz, Ansorena, et al., 2001 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SOLGel-Wax | 1328. | Johanningsmeier and McFeeters, 2011 | 30. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min) |
Capillary | SOLGel-Wax | 1331. | Johanningsmeier and McFeeters, 2011 | 30. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min) |
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.
Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D.,
Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y
. [all data]
Umano, Hagi, et al., 1992
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T.,
Volatile constituents of green and ripened pineapple (Aanas comosus [L.] Merr.),
J. Agric. Food Chem., 1992, 40, 4, 599-603, https://doi.org/10.1021/jf00016a014
. [all data]
da Fonseca, Bizerra, et al., 2009
da Fonseca, A.M.; Bizerra, A.M.C.; de Souza, J.S.N.; Monte, F.J.Q.; de Oliveira M.C.F.; de Mattos, M.C.; Cordell, G.A.; Braz-Filho, R.; Lemos, T.L.G.,
Constituents and antioxidant activity of two varieties of coconut water (Cocos nucifera L.),
Braz. J. Pharmacognosy, 2009, 19, 1B, 193-198. [all data]
Teai, Claude-Lafontaine, et al., 2001
Teai, T.; Claude-Lafontaine, A.; Schippa, C.; Cozzolino, F.,
Volatile compounds in fresh pulp of pineapple (Ananas comosus [L.] Merr.) from French Polynesia,
J. Essent. Oil Res., 2001, 13, 5, 314-318, https://doi.org/10.1080/10412905.2001.9712222
. [all data]
Mateo and Zumalacárregui, 1996
Mateo, J.; Zumalacárregui, J.M.,
Volatile compounds in chorizo and their changes during ripening,
Meat Sci., 1996, 44, 4, 255-273, https://doi.org/10.1016/S0309-1740(96)00028-9
. [all data]
Buchbauer, Nikiforov, et al., 1994
Buchbauer, G.; Nikiforov, A.; Remberg, B.,
Headspace constituents of opium,
Planta Medica, 1994, 60, 2, 181-183, https://doi.org/10.1055/s-2006-959447
. [all data]
Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C.,
Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar,
J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110
. [all data]
Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C.,
Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee,
J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r
. [all data]
Johanningsmeier and McFeeters, 2011
Johanningsmeier, S.D.; McFeeters, R.F.,
Detection of volatile spoilage metabolites in fermented cucumbers using nontargeted, comprehensive 2-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGCxTOFMS),
J. Food Sci., 2011, 76, 1, c168-c177, https://doi.org/10.1111/j.1750-3841.2010.01918.x
. [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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