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N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

SIAL/77626 - derivatization grade (GC derivatization), LiChropur™, ≥98.0% (GC)

Synonym: MTBSTFA

CAS Number: 77377-52-7
Empirical Formula (Hill Notation): C9H18F3NOSi
Molecular Weight: 241.33
MDL Number: MFCD00009671
Linear Formula: CF3CON(CH3)Si(CH3)2C(CH3)3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-77626-10X1ML 1 mL
 $0.00
1/EA
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45-77626-10ML 10 mL
 $285.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 77626-1ML-KC

 

assay ≥98.0% (GC)
bp 172-175 °C (lit.)
density 1.036 g/mL at 25 °C (lit.)
form liquid
grade derivatization grade (GC derivatization)
InChI 1S/C9H18F3NOSi/c1-8(2,3)15(5,6)13(4)7(14)9(10,11)12/h1-6H3
InChI key QRKUHYFDBWGLHJ-UHFFFAOYSA-N
quality LiChropur™
reaction suitability reagent type: derivatization reagent
reaction type: Silylations
refractive index n20/D 1.402 (lit.)
SMILES string CN(C(=O)C(F)(F)F)[Si](C)(C)C(C)(C)C
storage temp. 2-8°C
technique(s) gas chromatography (GC): suitable
Application: 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.
General description: 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.
Legal Information: LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
Other Notes: Discover LiChropur™ reagents ideal for HPLC  or LC-MS  analysis
Purity ≥98.0% (GC)
bp 172-175 °C (lit.)
Density 1.036 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.402 (lit.)
Storage Temp. 2-8°C
UNSPSC 12352111

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