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N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

with 1% trimethylchlorosilane, for GC derivatization, ≥99.0%

Synonym: BSTFA + TMCS

  • 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 24867331

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Properties

grade   for GC derivatization
assay   ≥99.0%
  99% (excluding TMCS)
quality   with 1% trimethylchlorosilane
contains   1% TMCS
refractive index   n20/D 1.384 (lit.)
bp   45-50 °C/14 mmHg (lit.)
density   0.969 g/mL at 25 °C
  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

Derivatization reagent employed in a GC-MS analysis of the furfural content in foods.

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.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2924 8(3) / PGII
WGK Germany 
3
Flash Point(F) 
42.8 °F
Flash Point(C) 
6 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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