N,O-Bis(trimethylsilyl)trifluoracetamid

Lieferant: Restek
Gefahr

Synonyme: BSTFATrimethylsilyl-2,2,2-trifluor-N-(trimethylsilyl)acetimidatN,O-Bis(trimethylsilyl)trifluoressigsäureamid

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REST35604 REST35605
N,O-Bis(trimethylsilyl)trifluoracetamid
N,O-Bis(trimethylsilyl)trifluoracetamid

Silylation derivatization reagent.


  • Replace active hydrogen, reducing polarity and making the compounds more volatile
  • Increase stability of derivatives


Silylation is the most widely used derivatization procedure for sample analysis by GC. In silylation, an active hydrogen is replaced by an alkylsilyl group such as trimethylsilyl (TMS) or tert-butyldimethylsilyl (tert-BDMS). Silyl derivatives are more volatile, less polar, and more thermally stable. As a result, GC separation is improved and detection is enhanced.


Both TMS and tert-BDMS reagents are suitable for a wide variety of compounds and can be used for many GC applications. (Note that silylation reagents are generally moisture-sensitive and must be sealed to prevent deactivation.)

Formel: C₈H₁₈F₃NOSi₂
Molecular Weight: 257,4 g/mol
MDL: MFCD00008269
CAS-Nummer: 25561-30-2
UN: 1993
ADR: 3,II

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