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Supelco

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

for GC derivatization, LiChropur™, ≥98.0% (GC)

Sinonimo/i:

MTBSTFA

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About This Item

Formula condensata:
CF3CON(CH3)Si(CH3)2C(CH3)3
Numero CAS:
77377-52-7
Peso molecolare:
241.33
Beilstein:
3606546
Numero MDL:
MFCD00009671
Codice UNSPSC:
12352111
NACRES:
NA.22

Grado

for GC derivatization

Saggio

≥98.0% (GC)

Forma fisica

liquid

Qualità

LiChropur™

Impiego in reazioni chimiche

reagent type: derivatization reagent
reaction type: Silylations

tecniche

gas chromatography (GC): suitable

Indice di rifrazione

n20/D 1.402 (lit.)

P. eboll.

172-175 °C (lit.)

Densità

1.036 g/mL at 25 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

CN(C(=O)C(F)(F)F)[Si](C)(C)C(C)(C)C

InChI

1S/C9H18F3NOSi/c1-8(2,3)15(5,6)13(4)7(14)9(10,11)12/h1-6H3
QRKUHYFDBWGLHJ-UHFFFAOYSA-N

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Descrizione generale

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide is a silylating reagent which replaces the active hydrogen with tert-Butyldimethylsilyl group. The tert-Butyldimethylsilyl derivatives are found to be more resistant to hydrolysis and stable compared to trimethylsilyl (TMS) derivatives. This reagent is suitable for GC-MS analysis since it produces mass spectra, which can be easily interpreted. It is widely used for the silylation of different alcohols, thiols, phenols, carboxylic acids, amines, and amides.

Applicazioni

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide may be used as a derivatizing reagent for the determination of methionine sulfoxide and methionine in blood plasma and chlorpyrifos, diazinon and their major metabolites in sludge and sludge-fertilized agricultural soils using gas-chromatography coupled to mass spectrometry technique.

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Note legali

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pittogrammi

Flame
GHS02

Avvertenze

Warning

Indicazioni di pericolo

H226

Classi di pericolo

Flam. Liq. 3

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

113.0 °F - closed cup

Punto d’infiammabilità (°C)

45 °C - closed cup

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Certificati d'analisi (COA)

Lot/Batch Number
BCCG8319
BCCG0242
BCCD6762
BCCB4775
BCCB0624

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Advanced Gas Chromatography: Progress in Agricultural, Biomedical and Industrial Applications (2012)
Ryuichi Mashima et al.
Analytical biochemistry, 313(1), 28-33 (2003-02-11)
Methionine sulfoxide is an oxidation product of methionine with reactive oxygen species via 2-electron-dependent mechanism. Such oxidants can be generated from activated neutrophils; therefore, methionine sulfoxide can be regarded as a biomarker of oxidative stress in vivo. We describe here
Two stage derivatization with N-(tert.-butyldimethylsilyl)-N-methyl-trifluoroacetamide (MTBSTFA) and N-methyl-bis-(trifluoroacetamide)(MBTFA) for the gas-chromatographic analysis of OH-, SH-and NH-compounds
Schoene K, et al.
Fresenius Journal of Analytical Chemistry, 348(5-6), 364-370 (1994)

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