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N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

for GC derivatization, LiChropur, contains 1% TMCS, 99% (excluding TMCS)

Synonym: BSTFA + TMCS, Silylating mixture V

  • CAS Number 25561-30-2

  • Linear Formula CF3C[=NSi(CH3)3]OSi(CH3)3

  • Molecular Weight 257.40

  •  Beilstein/REAXYS Number 2050024

  •  MDL number MFCD00008269

  •  PubChem Substance ID 329750793

  •  NACRES NA.22

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Biochemicals and Reagents, Carboxylic Acids, Derivatization Reagents,
Quality Level   100
grade   for GC derivatization
assay   ≥98.5% (excluding chlorotrimethylsilane, GC)
  99% (excluding TMCS)
quality   LiChropur
  contains 1% TMCS
reaction suitability   reagent type: derivatization reagent
reaction type: Silylations
application(s)   gas chromatography (GC): suitable
refractive index   n20/D 1.384 (lit.)
bp   45-50 °C/14 mmHg (lit.)
density   0.97 g/mL (lit.)
SMILES string   C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F
InChI   1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+
InChI key   XCOBLONWWXQEBS-KPKJPENVSA-N

Description

Application

Learn more in the Product Information

Packaging

5, 25, 100 mL in glass bottle

Clear borosilicate glass, high hydrolytic resistance (Type I)

Other Notes

The position of the silyl groups has not been unequivocally established. It has been referred to as both N,N and N,O.

Silylating mixture used for the silylation of various compounds

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2924 8(3) / PGII
WGK Germany 
WGK 3
Flash Point(F) 
44.1 °F - closed cup
Flash Point(C) 
6.7 °C - closed cup
Protocols & Articles

Articles

Silylating Reagents for GC-MS Compatible Derivatives of NSAIDs

Human and veterinary pharmaceuticals are a group of “emerging” contaminants,1, 2 some of which are produced in increasingly large volumes every year. The amounts produced are reaching quantities simi...
Luis-Alberto Martin
AnalytiX Volume 10 Article 2
Keywords: Anti-inflammatory agents, Derivatizations, Environmental, Gas chromatography, Gas chromatography mass spectrometry, Mass spectrometry, Metabolites, Pesticides, Pharmaceutical, Silylations, Veterinary

Peer-Reviewed Papers
15

References

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