2-Hydroxy-3-methylbutyric acid, 2TMS derivative
- Formula: C11H26O3Si2
- Molecular weight: 262.4933
- IUPAC Standard InChI: InChI=1S/C11H26O3Si2/c1-9(2)10(13-15(3,4)5)11(12)14-16(6,7)8/h9-10H,1-8H3
- IUPAC Standard InChIKey: QWRWSWPAGNHCNI-UHFFFAOYSA-N
- CAS Registry Number: 55124-92-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Butanoic acid, 3-methyl-2-[(trimethylsilyl)oxy]-, trimethylsilyl ester; α-Hydroxyisovaleric acid, (2TMS)-; 2-Hydroxyisopentanoic acid, bis-TMS; 2-Hydroxyisovaleric acid, di-TMS; Butanoic acid, 2-hydroxy-3-methyl, bis-TMS; Isovaleric acid, 2-hydroxy, di-TMS; 2-Hydroxyisovaleric acid, TMS; 2-Hydroxyisovalerate, TMS
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Normal alkane RI, non-polar column, temperature ramp
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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
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | HP-5 | HP-5MS |
| Column length (m) | 30. | 30. |
| Carrier gas | He | He |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 |
| Tstart (C) | 50. | 70. |
| Tend (C) | 300. | 280. |
| Heat rate (K/min) | 4. | |
| Initial hold (min) | 3. | |
| Final hold (min) | 3. | |
| I | 1174. | 1183. |
| Reference | Isidorov, Kotowska, et al., 2005 | Lee, Yanamandra, et al., 2002 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Isidorov, Kotowska, et al., 2005
Isidorov, V.A.; Kotowska, U.; Vinogorova, V.T.,
GC Identification of organic compounds based on partition coefficients of their TMS derivatives in a hexane-acetonitrile system and retention indices,
Anal. Sci., 2005, 21, 12, 1483-1489, https://doi.org/10.2116/analsci.21.1483
. [all data]
Lee, Yanamandra, et al., 2002
Lee, B.Y.; Yanamandra, K.; Thurmon, T.F.,
Quantitative estimation of organic analytes with a capillary column,
Am. Clin. Lab., 2002, May, 30-34. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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