Urea, 2TMS derivative
- Formula: C7H20N2OSi2
- Molecular weight: 204.4175
- IUPAC Standard InChI: InChI=1S/C7H20N2OSi2/c1-11(2,3)8-7(10)9-12(4,5)6/h1-6H3,(H2,8,9,10)
- IUPAC Standard InChIKey: MASDFXZJIDNRTR-UHFFFAOYSA-N
- CAS Registry Number: 18297-63-7
- 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: Urea, N,N'-bis(trimethylsilyl)-; Urea, 1,3-bis(trimethylsilyl)-; Bis(trimethylsilyl)urea; N,N'-Bis(trimethylsilyl)urea; N1,N2-Bis(trimethylsilyl)urea; 1,3-Bis(trimethylsilyl)urea; Bis(trimethylsilyl) derivative of urea; N,N'-Di(trimethylsilyl)urea; Urea, di-TMS; Urea, bis-TMS; Urea, TMS; Urea, bis-trimethylsilyl
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Gas Chromatography
Go To: Top, 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, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1237. | Kimura, Yamamoto, et al., 1999 | 30. m/0.25 mm/1. μm, He, 100. C @ 4. min, 4. K/min, 290. C @ 10. min |
| Capillary | HP-5 | 1249. | Antoshechkin, Golovkin, et al., 1989 | 25. m/0.31 mm/0.52 μm, He, 100. C @ 5. min, 5. K/min, 290. C @ 15. min |
| Capillary | OV-1 | 1243. | Lefevere, Verhaeghe, et al., 1989 | 10. m/0.22 mm/0.17 μm, He, 5. K/min; Tstart: 70. C; Tend: 270. C |
| Capillary | SE-52 | 1249. | Lefevere, Verhaeghe, et al., 1989 | 25. m/0.32 mm/0.52 μm, He, 5. K/min; Tstart: 70. C; Tend: 270. C |
| Capillary | Ultra-2 | 1249. | Tuchman, Bowers, et al., 1984 | 25. m/0.31 mm/0.52 μm, He, 5. K/min; Tstart: 50. C; Tend: 300. C |
| Packed | OV-1 | 1225. | Tanaka, Hine, et al., 1980 | N2, 100-120 mesh, 70. C @ 0.5 min, 28. K/min; Column length: 1.8 m; Tend: 290. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1230. | Tsai, Oliphant, et al., 1985 | He; Program: not specified |
| Packed | OV-101 | 1225. | Tanaka and Hine, 1982 | Program: not specified |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Polydimethyl siloxanes | 1237. | Zenkevich, 2001 | Program: not specified |
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.
Kimura, Yamamoto, et al., 1999
Kimura, M.; Yamamoto, T.; Yamaguchi, S.,
Automated metabolic profiling and interpretation of GC/MS data for organic acidemia screening: a personal computer-based system,
Tohoku J. Exp. Med., 1999, 188, 4, 317-334, https://doi.org/10.1620/tjem.188.317
. [all data]
Antoshechkin, Golovkin, et al., 1989
Antoshechkin, A.G.; Golovkin, A.B.; Maximova, L.A.; Bakharev, V.A.,
Screening of amniotic fluid metabolites by gas chromatography-mass spectrometry,
J. Chromatogr., 1989, 489, 2, 353-358, https://doi.org/10.1016/S0378-4347(00)82913-8
. [all data]
Lefevere, Verhaeghe, et al., 1989
Lefevere, M.F.; Verhaeghe, B.J.; Declerck, D.H.; Van Bocxlaer, J.F.; De Leenheer, A.P.; De Sagher, R.M.,
Metabolic Profiling of Urinary Organic Acids by Single and Multicolumn Capillary Gas Chromatography,
J. Chromatogr. Sci., 1989, 27, 1, 23-29, https://doi.org/10.1093/chromsci/27.1.23
. [all data]
Tuchman, Bowers, et al., 1984
Tuchman, M.; Bowers, L.D.; Fregien, K.D.; Crippin, P.J.; Krivit, W.,
Capillary Gas Chromatographic Separation of Urinary Organic Acids. Retention Indices of 101 Urinary Acids on a 5% Phenylmethyl Silicone Capillary Column,
J. Chromatogr. Sci., 1984, 22, 5, 198-202, https://doi.org/10.1093/chromsci/22.5.198
. [all data]
Tanaka, Hine, et al., 1980
Tanaka, K.; Hine, D.G.; West-Dull, A.; Lynn, T.B.,
Gas-chromatographic method of analysis for urinary organic acids. I. Retention indices of 155 metabolically important compounds,
Clin. Chem., 1980, 26, 13, 1839-1846. [all data]
Tsai, Oliphant, et al., 1985
Tsai, M.Y.; Oliphant, C.; Josephson, M.W.,
Identification of Metabolites Diagnostic for Organic Acidurias by Simultaneous Dual-Column Capillary Gas Chromatography,
J. Chromatogr., 1985, 341, 1-10, https://doi.org/10.1016/S0378-4347(00)84004-9
. [all data]
Tanaka and Hine, 1982
Tanaka, K.; Hine, D.G.,
Compilation of Gas Chromatographic Retention Indices of 163 Metabolically Important Organic Acids, and Their Use in Detection of Patients with Organic Acidurias,
J. Chromatogr., 1982, 239, 301-322, https://doi.org/10.1016/S0021-9673(00)81990-1
. [all data]
Zenkevich, 2001
Zenkevich, I.G.,
Encyclopedia of Chromatography. Derivatization of Hydroxy Compounds for GC Analysis, Marcel Dekker, Inc., New York - Basel, 2001, 237. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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