77626
N - 叔 -丁基二甲基硅基- N -甲基三氟乙酰胺
derivatization grade (GC derivatization), LiChropur™, ≥98.0% (GC)
别名:
MTBSTFA
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线性分子式:
CF3CON(CH3)Si(CH3)2C(CH3)3
化学文摘社编号:
分子量:
241.33
NACRES:
NA.22
UNSPSC Code:
12352111
Beilstein/REAXYS Number:
3606546
MDL number:
technique(s)
gas chromatography (GC): suitable
SMILES string
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
InChI key
QRKUHYFDBWGLHJ-UHFFFAOYSA-N
grade
derivatization grade (GC derivatization)
assay
≥98.0% (GC)
form
liquid
quality
LiChropur™
reaction suitability
reagent type: derivatization reagent
reaction type: Silylations
refractive index
n20/D 1.402 (lit.)
bp
172-175 °C (lit.)
density
1.036 g/mL at 25 °C (lit.)
storage temp.
2-8°C
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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.
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.
Legal Information
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Flam. Liq. 3
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
113.0 °F - closed cup
flash_point_c
45 °C - closed cup
法规信息
危险化学品
此项目有
Advanced Gas Chromatography: Progress in Agricultural, Biomedical and Industrial Applications (2012)
Highly selective sample preparation and gas chromatographic?mass spectrometric analysis of chlorpyrifos, diazinon and their major metabolites in sludge and sludge-fertilized agricultural soils
Diaz-Cruz SM and Barcelo D
Journal of Chromatography A, 1132(1-2), 21-27 (2006)
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)
商品
Results of a study involving the ability few Fluka silylating reagents to form GC-MS-compatible trimethylsilylmethyl derivatives of NSAIDs
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