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15238 Sigma-Aldrich

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

for GC derivatization, 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 Registry Number 2050024

  •  MDL number MFCD00008269

  •  PubChem Substance ID 329750793

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Biochemicals and Reagents, Carboxylic Acids, Derivatization Reagents,
grade   for GC derivatization
InChI Key   XCOBLONWWXQEBS-KPKJPENVSA-N
assay   ≥98.5% (excluding chlorotrimethylsilane, GC)
  99% (excluding TMCS)
quality   contains 1% TMCS
refractive index   n20/D 1.384(lit.)
bp   45-50 °C/14 mmHg(lit.)
density   0.97 g/mL(lit.)

Description

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

Packaging

5, 25, 100 mL in glass bottle

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2924 8(3) / PGII
WGK Germany 
3
Flash Point(F) 
42.8 °F
Flash Point(C) 
6 °C
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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