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N-Methyl-N-(trimethylsilyl)trifluoroacetamide

synthesis grade

Synonym: N-Trimethylsilyl-N-methyl trifluoroacetamide, MSTFA

  • CAS Number 24589-78-4

  • Linear Formula CF3CON(CH3)Si(CH3)3

  • Molecular Weight 199.25

  •  Beilstein/REAXYS Number 1941550

  •  EC Number 246-331-6

  •  MDL number MFCD00000411

  •  PubChem Substance ID 24864622

  •  NACRES NA.22

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Properties

Related Categories β-Glucuronidase Drug Analysis Bundle, Analytical and Industrial Enzymes, Biochemicals and Reagents, Chemical Synthesis, Enzymes, Inhibitors, and Substrates,
Quality Level   100
grade   for GC derivatization
  synthesis grade
vapor density   >1 (vs air)
vapor pressure   8.8 mmHg ( 27 °C)
assay   ≥98%
refractive index   n20/D 1.38 (lit.)
bp   130-132 °C (lit.)
density   1.075 g/mL at 25 °C (lit.)
reaction suitability   reagent type: derivatization reagent
reaction type: Silylations
SMILES string   CN(C(=O)C(F)(F)F)[Si](C)(C)C
InChI   1S/C6H12F3NOSi/c1-10(12(2,3)4)5(11)6(7,8)9/h1-4H3
InChI key   MSPCIZMDDUQPGJ-UHFFFAOYSA-N

Description

General description

N-Methyl-N-(trimethylsilyl)trifluoroacetamide (MSTFA) is a derivatizing reagent. It can be used as alternatives to diazomethane.

Application

Silylating agent used to form volatile derivatives for GC-MS analysis.
Improved silylation procedure for simultaneous detection of steroid hormones 17-α-ethynylestradiol and estrone.

Packaging

10×1, 5, 25 mL in ampule

Other Notes

Reagent for trimethylsilyl.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
RIDADR 
UN 1993C 3 / PGIII
WGK Germany 
WGK 3
RTECS 
AC9800000
Flash Point(F) 
78.8 °F - closed cup
Flash Point(C) 
26 °C - closed cup
Protocols & Articles

Articles

Analysis of Alkylphenols and Alkylphenol Ethoxylates Using new 13C-Labeled and Deuterated Internal Standards According to ISO 18857-2

Alkylphenols are starting materials for the synthesis of alkylphenol ethoxylates, which are widely used as non ionic tensides, dispersive agents in paper and leather manufacturing, emulsifiers for pe...
Olaf P. Heemken, Nicole Amann
AnalytiX Volume 7 Article 4
Keywords: Adsorption, Derivatizations, Environmental, Gas chromatography, Gas chromatography mass spectrometry, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Pesticides, Solid phase extractions

Biodiesel Calibration Standards for ASTM D6584

Low levels of free and bound glycerin are critical to the performance of biodiesel fuels. Free glycerin and bound glycerin both contribute to the formation of deposits on injector nozzles, pistons, v...
Vicki Yearick
AnalytiX Volume 6 Article 4
Keywords: Chromatography, Derivatizations, Gas chromatography

Peer-Reviewed Papers
15

References

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