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N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%, packaged in 1 ml ampoules, Thermo Scientific Chemicals

Catalog Number 10657641
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10 mL
Glass Bottle
This item is not returnable. View return policy
This item is not returnable. View return policy


This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Silylation reagent
CAS 25561-30-2
Melting Point -10°C
Color Colorless to Yellow
Density 0.9600g/mL
Boiling Point 45°C to 50°C (14.0 mmHg)
Flash Point 23°C
Infrared Spectrum Authentic
Assay Percent Range 97.5% min. (GC)
Packaging Glass Bottle
Molecular Formula C8H18F3NOSi2
Linear Formula CF3C[=NSi(CH3)3]OSi(CH3)3
Refractive Index 1.3829 to 1.3849
MDL Number MFCD00008269
Quantity 10 mL
Specific Gravity 0.96
Synonym bstfa, n,o-bis trimethylsilyl trifluoroacetamide, acetamide, 2,2,2-trifluoro-o,n-bis trimethylsilyl, trimethylsilyl 2,2,2-trifluoro-n-trimethylsilyl acetimidate, trimethylsilyl 2,2,2-trifluoro-n-trimethylsilyl ethanimidate, trimethylsilyl 1z-2,2,2-trifluoro-n-z-trimethylsilyl ethanimidoate #, n,o-bis trimethylsilyl trifluoroacetamide bstfa, trimethylsilyl 2,2,2-trifluoro-n-trimethylsilyl ethanecarboximidate
Solubility Information Solubility in water: hydrolyses
SMILES C[Si](C)(C)N=C(C(F)(F)F)O[Si](C)(C)C
IUPAC Name trimethylsilyl (1Z)-2,2,2-trifluoro-N-trimethylsilylethanimidate
Molecular Weight (g/mol) 257.39
PubChem CID 9601896
Formula Weight 257.39
Percent Purity 98%
Physical Form Liquid
Chemical Name or Material N, O-Bis(trimethylsilyl)trifluoroacetamide, 98%
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Product Identifier
  • N,O-Bis(trimethylsilyl)trifluoroacetamide
Signal Word
  • Warning
Hazard Category
  • Serious eye damage/eye irritation Category 2
  • Flammable liquid Category 3
  • Skin corrosion/irritation Category 2
Hazard Statement
  • H226-Flammable liquid and vapour.
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P332+P313-If skin irritation occurs: Get medical advice/attention.
  • P337+P313-If eye irritation persists: Get medical advice/attention.
Supplemental information
  • MIXTURE LIST-Contains : Trimethylsilyl 2,2,2-trifluoro-N-(trimethylsilyl)acetimidate

RUO – Research Use Only

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