Ethylene glycol, 2TMS derivative
- Formula: C8H22O2Si2
- Molecular weight: 206.4301
- IUPAC Standard InChI: InChI=1S/C8H22O2Si2/c1-11(2,3)9-7-8-10-12(4,5)6/h7-8H2,1-6H3
- IUPAC Standard InChIKey: JGWFUSVYECJQDT-UHFFFAOYSA-N
- CAS Registry Number: 7381-30-8
- 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. - Other names: 1,2-Bis(trimethylsiloxy)ethane; 3,6-Dioxa-2,7-disilaoctane, 2,2,7,7-tetramethyl-; Ethylene glycol, bistrimethylsilyl ether; 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane; Ethylene glycol, di-TMS; Ethane-1,2-diol, 2TMS; Ethylene glycol, TMS
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Gas phase ion energetics data
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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C7H19O2Si2+ | 9.5 ± 0.1 | CH3 | EI | Koppel, Schwarz, et al., 1974 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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 | PE-5 | 992. | Isidorov and Vinogorova, 2003 | He, 5. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 250. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 975.7 | 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) |
| Capillary | Methyl Silicone | 993. | Peng, Yang, et al., 1991 | Program: not specified |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 990. | Isidorov, Lech, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium, 3. K/min, 300. C @ 30. min; Tstart: 50. C |
| Capillary | HP-5 | 989. | Isidorov, Kotowska, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 5. K/min; Tstart: 50. C; Tend: 300. C |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Koppel, Schwarz, et al., 1974
Koppel, C.; Schwarz, H.; Bohlmann, F.,
Energetische betrachtungen zur intramolekularen solvatisierung von ionen bei der elektronenstossinduzierten fragmentierung von α,ω-bis-(trimethylsilyl)-athern,
Org. Mass Spectrom., 1974, 9, 567. [all data]
Isidorov and Vinogorova, 2003
Isidorov, V.A.; Vinogorova, V.T.,
GC-MS analysis of compounds extracted from buds of Populus balsamifera and Populus nigra,
Z. Naturforsch. C:, 2003, 58, 355-360. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Maltby, D.,
Prediction of retention indexes. III. Silylated derivatives of polar compounds,
J. Chromatogr., 1991, 586, 1, 113-129, https://doi.org/10.1016/0021-9673(91)80029-G
. [all data]
Isidorov, Lech, et al., 2008
Isidorov, V.A.; Lech, P.; Zolciak, A.; Rusak, N.; Szczepaniak, L.,
Gas Chromatographic - nass spectrometric investigation of metabolites from the needles and roots of pine seedlings at early stages of pathogenic fungi Armillaria ostoyae attack,
Trees, 2008, 22, 4, 531-542, https://doi.org/10.1007/s00468-008-0213-z
. [all data]
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]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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