2-Pyrrolidinone, 1-methyl-
- Formula: C5H9NO
- Molecular weight: 99.1311
- IUPAC Standard InChIKey: SECXISVLQFMRJM-UHFFFAOYSA-N
- CAS Registry Number: 872-50-4
- 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: M-Pyrol; N-Methyl-α-pyrrolidinone; N-Methyl-α-pyrrolidone; N-Methyl-γ-butyrolactam; N-Methyl-2-pyrrolidinone; N-Methyl-2-pyrrolidone; N-Methylpyrrolidinone; N-Methylpyrrolidone; NMP; 1-Methyl-2-Pyrrolidinone; 1-Methyl-2-pyrrolidone; 1-Methyl-5-pyrrolidinone; 1-Methylpyrrolidinone; 2-Pyrrolidone, 1-methyl-; 1-Methylazacyclopentane-2-one; 1-Methylpyrrolidone; N-Methylpyrrolidone-(2); N-Methylpyrrolid-2-one; Methylpyrrolidone; 1-Methylazacyclopentan-2-one; Agsolex 1; N 0131; N-Methyl-gamma-butyrolactam; Micropure ultra; NSC 4594
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Gas phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -50.39 ± 0.13 | kcal/mol | Ccr | Steele, Chirico, et al., 1990 | Author was aware that data differs from previously reported values |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
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Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | 1024 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1646. | Nishimura, Yamaguchi, et al., 1989 | 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1678. | Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 4. K/min, 250. C @ 15. min |
Capillary | Stabilwax | 1660. | Cros S., Lignot B., et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min |
Capillary | Stabilwax | 1660. | Cros, Lignot, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min |
Capillary | DB-Wax | 1665. | Aubert, Günata, et al., 2003 | 30. m/0.32 mm/0.5 μm, 40. C @ 3. min, 2. K/min, 245. C @ 20. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 1045.5 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Capillary | MDN-5 | 1045. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
Capillary | MDN-5 | 1043. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
Capillary | OV-101 | 1012. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | DB-5 | 1034. | Savel'eva, Zenkevich, et al., 2003 | 25. m/0.20 mm/0.33 μm, Helium, 40. C @ 1. min, 5. K/min, 270. C @ 15. min |
Capillary | RTX-5 | 1083. | Sies A., Hirsch R., et al., 2002 | 20. m/0.18 mm/0.4 μm, He, 20. C @ 3.5 min, 40. K/min, 290. C @ 0.5 min |
Capillary | BP-1 | 1009. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
Capillary | DB-5 | 1042. | Berdague, Denoyer, et al., 1991 | 60. m/0.32 mm/1.0 μm, He, 3. K/min; Tstart: 40. C; Tend: 240. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 1002. | Savelieva and Zenkevich I., 2003 | Program: not specified |
Capillary | Methyl Silicone | 1034. | Savelieva and Zenkevich I., 2003 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1662. | Beck, Higbee, et al., 2008 | 60. m/0.32 mm/0.25 μm, Helium, 30. C @ 4. min, 2. K/min, 200. C @ 30. min |
Capillary | Innowax | 1679. | Petersen, Poll, et al., 1998 | 30. m/0.25 mm/0.25 μm, 40. C @ 10. min, 6. K/min, 240. C @ 25. min |
Capillary | Carbowax 20M | 1652. | Liardon and Ledermann, 1980 | H2, 2. K/min; Column length: 39. m; Column diameter: 0.30 mm; Tstart: 60. C; Tend: 220. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP Innowax FSP | 1678. | Tasdemir, Demirci, et al., 2003 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C (10min) => 1C/min => 240C |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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.
Steele, Chirico, et al., 1990
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
Determination of ideal-gas enthalpies of formation for key compounds,
Am. Inst. Chem. Eng. Symp. Ser. (AIChE Symp. Ser.), 1990, 138-154. [all data]
Nishimura, Yamaguchi, et al., 1989
Nishimura, O.; Yamaguchi, K.; Mihara, S.; Shibamoto, T.,
Volatile Constituents of Guava Fruits (Psidium guajava L.) and Canned Puree,
J. Agric. Food Chem., 1989, 37, 1, 139-142, https://doi.org/10.1021/jf00085a033
. [all data]
Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007
Pozo-Bayon M.A.; Ruiz-Rodriguez A.; Pernin K.; Cayot N.,
Influence of eggs on the aroma composition of a sponge cake and on the aroma release in model studies on flavored sponge cakes,
J. Agric. Food Chem., 2007, 55, 4, 1418-1426, https://doi.org/10.1021/jf062203y
. [all data]
Cros S., Lignot B., et al., 2005
Cros S.; Lignot B.; Bourseau P.; Jaouen P.,
Reverse osmosis for the production of aromatic concentrates from mussel cooking juices: a technical assessment,
Desalination, 2005, 180, 1-3, 263-269, https://doi.org/10.1016/j.desal.2005.01.008
. [all data]
Cros, Lignot, et al., 2005
Cros, S.; Lignot, B.; Bourseau, P.; Jaouen, P.; Prost, C.,
Desalination of mussel cooking juices by electrodialysis: effect on the aroma profile,
J. Food Eng., 2005, 69, 4, 425-436, https://doi.org/10.1016/j.jfoodeng.2004.08.036
. [all data]
Aubert, Günata, et al., 2003
Aubert, C.; Günata; Ambid, C.; Baumes, R.,
Changes in physicochemical characteristics and volatile constituents of yellow- and white-fleshed nectarines during maturation and artificial ripening,
J. Agric. Food Chem., 2003, 51, 10, 3083-3091, https://doi.org/10.1021/jf026153i
. [all data]
Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D.,
Volatile constituents of Perique tobacco,
Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]
van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J.,
Identification and olfactometry of French fries flavour extracted at mouth conditions,
Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Savel'eva, Zenkevich, et al., 2003
Savel'eva, E.I.; Zenkevich, I.G.; Radilov, A.S.,
Identification the Products of Chemical Neutralization of O-Isobutyl-S-(2-diethylaminoethyl)methylthiophosphonate in the Composition of Bitumen-Salt Matrices,
Zh. Anal. Khim. (Rus.), 2003, 58, 2, 135-145. [all data]
Sies A., Hirsch R., et al., 2002
Sies A.; Hirsch R.; Löscher R.; Tablack P.; Guth H.,
Direct thermal desorption and Fast-GC-TOF-MS for a rapid quality control of hazelnuts, 10th Weurman Flavour Research Symposium, 24 - 28 June 2002, Beaune, France, 2002. [all data]
Health Safety Executive, 2000
Health Safety Executive,
MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography
in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]
Berdague, Denoyer, et al., 1991
Berdague, J.-L.; Denoyer, C.; Le Quéré, J.-L.; Semon, E.,
Volatile components of dry-cured ham,
J. Agric. Food Chem., 1991, 39, 7, 1257-1261, https://doi.org/10.1021/jf00007a012
. [all data]
Savelieva and Zenkevich I., 2003
Savelieva, E.; Zenkevich I.,
Analisi GC/MS di agenti chimici nervini,
Laboratorio 2000, 2003, 17, 6/7, 24-26. [all data]
Beck, Higbee, et al., 2008
Beck, J.J.; Higbee, B.S.; Marrill, G.B.; Roitman, J.N.,
Comparison of volatile emissions from undamaged and mechanically damaged almonds,
J, Sci. Food Argic., 2008, 88, 8, 1363-1368, https://doi.org/10.1002/jsfa.3224
. [all data]
Petersen, Poll, et al., 1998
Petersen, M.A.; Poll, L.; Larsen, L.M.,
Comparison of volatiles in raw and boiled potatoes using a mild extraction technique combined with GC odour profiling and GC-MS,
Food Chem., 1998, 61, 4, 461-466, https://doi.org/10.1016/S0308-8146(97)00119-2
. [all data]
Liardon and Ledermann, 1980
Liardon, R.; Ledermann, S.,
volatile components of fermented soya hydrolysate. II. Composition of basic fraction,
Z. Lebensm. Unters. Forsch., 1980, 170, 3, 208-213, https://doi.org/10.1007/BF01042542
. [all data]
Tasdemir, Demirci, et al., 2003
Tasdemir, D.; Demirci, B.; Demirci, F.; Dönmez, A.A.; Baser, K.H.C.; Rüedi, P.,
Analysis of the Volatile Components of Five Turkish Rhododendron Species by Headspace Solid-Phase Microextraction and GC-MS (HS-SPME-GC-MS),
Z. Naturforsch., 2003, 58c, 797-803. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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