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33154-U
BSTFA + TMCS, 99:1
Synonym(s):
Chlorotrimethylsilane, N,O-Bis(trimethylsilyl)trifluoroacetamide, Trimethylchlorosilane, Trimethylsilyl chloride
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About This Item
UNSPSC Code:
12000000
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grade
for derivatization (GC/GC-MS)
description
(SYLON BFT)
reaction suitability
reagent type: derivatization reagent
reaction type: Silylations
packaging
pkg of 144 × 0.1 mL
concentration
(BSTFA + TMCS, 99:1)
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General description
BSTFA is a stronger silylating reagent compared to BSA. In most cases, BSTFA is used in place of BSA as the reaction products are more volatile avoiding interference with early peaks in a chromatogram. BSTFA along with TMCS is considered suitable reagent for quantitative reactions.[1]
Application
It was used in the derivatization of water during determination of trace levels of bisphenol A from plastic water containers, using solid-phase microextraction (SPME) coupled with GC-MS.[2]
Other Notes
Reagent for trimethylsilyl (TMS).
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 3
flash_point_f
75.2 °F - closed cup
flash_point_c
24 °C - closed cup
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N.Narasimhachari et al.
Journal of Chromatographic Science, 9, 502-502 (1971)
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Handbook of Analytical Derivatization Reactions, 214-214 (1979)
Mass spectra of prostaglandins. IV. Trimethylsilyl derivatives of prostaglandins of the F series.
B S Middleditch et al.
Analytical biochemistry, 55(2), 509-520 (1973-10-01)
Evaluation of bilirubin derivatives for mass spectral analysis.
M Salmon et al.
Biomedical mass spectrometry, 1(4), 219-222 (1974-08-01)
N. Narsimhachari and P. Vouros
Journal of Chromatography A, 70, 135-135 (1972)
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What is the Department of Transportation shipping information for this product?
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What is the role of TMCS in product number 33154-U, BSTFA & TMCS, 99:1, Sylon BFT?
1 answer-
TMCS acts as a catalyst for the BSTFA to react with the protic sites of the compound of interest.
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What is the shelf life of product number 33154-U, BSTFA & TMCS, 99:1, Sylon BFT?
1 answer-
Properly stored, this reagent is stable indefinitely. However, once opened, the presence of moisture can degrade the reactivity of this reagent.
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How do I know when the reaction is complete when using product number 33154-U, BSTFA & TMCS, 99:1, Sylon BFT?
1 answer-
It is recommended that you sample the reaction at various time intervals for analysis. Once you see that the response of the analyte of interest levels off, the reaction should be complete.
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