1H-Pyrrole-2,5-dione, 3-ethyl-4-methyl-
- Formula: C7H9NO2
- Molecular weight: 139.1519
- IUPAC Standard InChI: InChI=1S/C7H9NO2/c1-3-5-4(2)6(9)8-7(5)10/h3H2,1-2H3,(H,8,9,10)
- IUPAC Standard InChIKey: CUBICSJJYOPOIA-UHFFFAOYSA-N
- CAS Registry Number: 20189-42-8
- 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. - Other names: Maleimide, 2-ethyl-3-methyl-; Ethylmethylmaleimide; Methylethylmaleimide; 2-Ethyl-3-methylmaleimide; 3-Ethyl-4-methyl-1H-pyrrole-2,5-dione; 3-Ethyl-4-methyl-2,5-pyrrolidine-dione; 3-ethyl-4-methylmaleimide
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Gas Chromatography
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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
Kovats' RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax-10 | 2197. | Wong and Tie, 1993 | He, 35. C @ 5. min, 3. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1265. | Xian Q., Chen H., et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 3. K/min, 220. C @ 20. min; Tstart: 50. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1234.8 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 2260. | Shimoda, Shigematsu, et al., 1995 | 60. m/0.25 mm/0.25 μm, 2. K/min; Tstart: 50. C; Tend: 230. C |
| Capillary | DB-Wax | 2260. | Shimoda, Shigematsu, et al., 1995, 2 | 60. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 50. C; Tend: 230. C |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 2244. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1 | 1192. | Da Costa, Yang, et al., 2010 | 50. m/0.32 mm/0.50 μm, 2. K/min, 270. C @ 10. min; Tstart: 40. C |
| Capillary | HP-5 | 1280.6 | 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 | HP-5 | 1238. | Boylston and Viniyard, 1998 | 50. m/0.32 mm/0.52 μm, 35. C @ 15. min, 2. K/min, 250. C @ 45. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SLB-5 MS | 1238. | Mondello, 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
| Capillary | SLB-5 MS | 1239. | Mondello, 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
| Capillary | HP-5 MS | 1265. | Xian, Chen, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (3 min) 6 0C/min -> 150 0C (1 min) 10 0C/min -> 250 0C (10 min) |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wong and Tie, 1993
Wong, K.C.; Tie, D.Y.,
The Essential Oil of the Leaves of Murraya koenigii Spreng.,
J. Essent. Oil Res., 1993, 5, 4, 371-374, https://doi.org/10.1080/10412905.1993.9698245
. [all data]
Xian Q., Chen H., et al., 2006
Xian Q.; Chen H.; Zou H.; Yin D.,
Chemical composition of essential oils of two submerged macrophytes, Ceratophyllum demersum L. and Vallisneria spiralis L.,
Flavour Fragr. J., 2006, 21, 3, 524-526, https://doi.org/10.1002/ffj.1588
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Shimoda, Shigematsu, et al., 1995
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion,
J. Agric. Food Chem., 1995, 43, 6, 1616-1620, https://doi.org/10.1021/jf00054a037
. [all data]
Shimoda, Shigematsu, et al., 1995, 2
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y.,
Comparison of volatile compounds among different grades of green tea and their relations to odor attributes,
J. Agric. Food Chem., 1995, 43, 6, 1621-1625, https://doi.org/10.1021/jf00054a038
. [all data]
Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C.,
Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect,
Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305
. [all data]
Da Costa, Yang, et al., 2010
Da Costa, N.C.; Yang, Y.; Kowalczyk, J.; Poulsen, M.L.,
The analysis of volatiles and non-volatiles in Yerba Mate tea (Ilex paraguariensis)
in Proc. 12th Weurman Symp., Blank, I.; Wust, M.; Yeretzian, C., ed(s)., Institut fur Chemie und Biologisher Chemie, Wissenschafen, Winterthur, 2010, 494-497. [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]
Boylston and Viniyard, 1998
Boylston, T.D.; Viniyard, B.T.,
Isolation of volatile flavor compounds from peanut butter using purge-and-trap technique
in Instrumental Methods in Food and Beverage Analysis, D. Wetzel and G. Charalambous, ed(s)., 1998, 225-243. [all data]
Mondello, 2012
Mondello, L.,
HS-SPME-GCxGC-MS analysis of Yerba Mate (Ilex paraguariensis)
in Shimadzu GC-GC application compendium of comprehensive 2D GC, Vol. 1-5, Shimadzu Corp., 2012, 1-29. [all data]
Xian, Chen, et al., 2006
Xian, Q.-M.; Chen, H.-D.; Zou, H.-H.,
Allelopathic activity of volatile substance from submerged macrophytes on Microcystin aeruginosa,
Acta Ecologica Sinica, 2006, 26, 11, 3549-3554, https://doi.org/10.1016/S1872-2032(06)60054-1
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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