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:
产品名称
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)
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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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
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
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)
Advanced Gas Chromatography: Progress in Agricultural, Biomedical and Industrial Applications (2012)
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)
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
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Results of a study involving the ability few Fluka silylating reagents to form GC-MS-compatible trimethylsilylmethyl derivatives of NSAIDs
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