77626

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

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

• Sinónimos: MTBSTFA
• Fórmula lineal: CF₃CON(CH₃)Si(CH₃)₂C(CH₃)₃
• Número de CAS: 77377-52-7
• Peso molecular: 241.33
• Beilstein: 3606546
• Número MDL: MFCD00009671
• Código UNSPSC: 12352111
• NACRES: NA.22

Propiedades

• grado: for GC derivatization
• Ensayo: ≥98.0% (GC)
• Formulario: liquid
• calidad: LiChropur^™
• idoneidad de la reacción: reagent type: derivatization reagent; reaction type: Silylations
• técnicas: gas chromatography (GC): suitable
• índice de refracción: n20/D 1.402 (lit.)
• bp: 172-175 °C (lit.)
• densidad: 1.036 g/mL at 25 °C (lit.)
• temp. de almacenamiento: 2-8°C
• cadena SMILES: 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
• Clave InChI: QRKUHYFDBWGLHJ-UHFFFAOYSA-N

Descripción

Descripción general

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.

Aplicación

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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Información legal

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Pictogramas: GHS02
• Palabra de señalización: Warning
• Frases de peligro: H226
• Consejos de prudencia: P210 - P233 - P240 - P241 - P242 - P243
• Clasificaciones de peligro: Flam. Liq. 3
• Código de clase de almacenamiento: 3 - Flammable liquids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): 113.0 °F - closed cup
• Punto de inflamabilidad (°C): 45 °C - closed cup