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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:
41121813
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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).
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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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D.R. Knapp
Handbook of Analytical Derivatization Reactions, 214-214 (1979)
A J Poole et al.
Clinica chimica acta; international journal of clinical chemistry, 73(3), 527-535 (1976-12-01)
Evidence is presented to confirm that N,O-bis(trimethylsilyl)acetamide does not form trimethylsilyl derivatives of sodium salts of many organic acids. Further evidence suggests that such derivatives are formed when either hydroxylamine hydrochloride or trimethylchlorosilane are also present. This presents a useful
N.Narasimhachari et al.
Journal of Chromatographic Science, 9, 502-502 (1971)
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)
An improved method for the determination of homovanillic acid and vanilmandelic acid by gas chromatography.
T J Sprinkle et al.
Clinica chimica acta; international journal of clinical chemistry, 25(3), 409-411 (1969-09-01)
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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?
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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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