4-Hydroxybenzoic acid, 2TMS derivative
- Formula: C13H22O3Si2
- Molecular weight: 282.4830
- IUPAC Standard InChI: InChI=1S/C13H22O3Si2/c1-17(2,3)15-12-9-7-11(8-10-12)13(14)16-18(4,5)6/h7-10H,1-6H3
- IUPAC Standard InChIKey: XVCXIVAVMFNKDH-UHFFFAOYSA-N
- CAS Registry Number: 2078-13-9
- 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: Benzoic acid, 4-[(trimethylsilyl)oxy]-, trimethylsilyl ester; Benzoic acid, p-(trimethylsiloxy)-, trimethylsilyl ester; Trimethylsilyl p-(trimethylsilyloxy)benzoate; p-Hydroxybenzoic acid (TMS); Bis(trimethylsilyl) derivative of p-Hydroxybenzoic acid; 4-Hydroxybenzoic acid (2TMS); 4-Hydroxybenzoic acid, diTMS; 4-Hydroxybenzoic acid, trimethylsilyl ether, trimethylsilyl ester; 4-TMS-Oxybenzoic acid, TMS ester; Benzoic acid, 4-hydroxy, bis-TMS; Benzoic acid, 4-hydroxy, diTMS; p-Hydroxybenzoic acid, 2TMS; Trimethylsilyl 4-[(trimethylsilyl)oxy]benzoate; Benzoic acid, 4-hydroxy, TMS; 4-Hydroxybenzoic acid, TMS
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- Other data available:
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Normal alkane RI, non-polar column, temperature ramp
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
| Column type | Capillary | Capillary | Capillary |
|---|---|---|---|
| Active phase | HP-5 | HP-5 | HP-5 |
| Column length (m) | 30. | 30. | 25. |
| Carrier gas | He | He | He |
| Substrate | |||
| Column diameter (mm) | 0.25 | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.52 |
| Tstart (C) | 50. | 50. | 70. |
| Tend (C) | 300. | 300. | 280. |
| Heat rate (K/min) | 5. | 5. | |
| Initial hold (min) | 10. | ||
| Final hold (min) | |||
| I | 1637. | 1635. | 1634. |
| Reference | Isidorov, Kotowska, et al., 2005 | Isidorov, Kotowska, et al., 2005 | Richards, Wong, et al., 1992 |
| Comment | MSDC-RI | 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]
Richards, Wong, et al., 1992
Richards, M.; Wong, Y.S.; Tan, W.C.; Tan, I.K.; Ng, T.L.,
Profiling urinary organic acids for the diagnosis of inborn errors of metabolism by GC/MS,
Bull. Sing. N.I. Chem., 1992, 20, 135-143. [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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