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N,O-Bis(trimethylsilyl)trifluoroacetamide

SIAL/15222 - derivatization grade (GC derivatization), LiChropur™, ≥99.0%

Synonym: BSTFA

CAS Number: 25561-30-2
Empirical Formula (Hill Notation): C8H18F3NOSi2
Molecular Weight: 257.40
EC Number: 247-103-9
MDL Number: MFCD00008269
Linear Formula: CF3C[=NSi(CH3)3]OSi(CH3)3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-15222-1ML-F 1 mL
 $32.10
1/EA		 Add To Favorites
45-15222-10X1ML-F 1 mL
 $302.00
10/EA		 Add To Favorites
45-15222-5ML-F 5 mL
 $82.80
1/EA		 Add To Favorites
45-15222-25ML-F 25 mL
 $206.00
1/EA		 Add To Favorites

 

assay ≥99.0%
  ≥99.0% (GC)
bp 45-50 °C/14 mmHg (lit.)
density 0.969 g/mL at 25 °C (lit.)
form liquid
grade derivatization grade (GC derivatization)
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
quality LiChropur™
Quality Level 100 
reaction suitability reagent type: derivatization reagent
reaction type: Silylations
refractive index n20/D 1.384
  n20/D 1.384 (lit.)
SMILES string C[Si](C)(C)OC(=N[Si](C)(C)C)C(F)(F)F
technique(s) gas chromatography (GC): suitable
Application: Learn more in the Product Information 
Application: BSTFA + 1% TMCS (trimethylsilyl) in ethyl acetate, acetonitrile and dichloromethane solvents may be used for silylation of steroid hormone 17a-ethinylestradiol (EE2) using gas chromatography-mass spectrometry (GC-MS). It may also be used for silylation of endogenous 2-monoglyceride, present in canine gut that binds to cannabinoid receptors.
General description: N,O-Bis(trimethylsilyl)trifluoroacetamide (BSTFA) is an excellent silylation reagent. For some sterically hindered primary or secondary nitro compounds, N,O-bis(trimethylsilyl)acetamide and BSTFA achieve better results than normal silylation conditions. BSTFA finds application in derivatizing amines. It is suitable for silyaltion of carboxylic acids, phenols, ureas, amides and alcohols.
Legal Information: LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
Packaging: 1, 10×1, 5, 25 mL in glass bottle
Purity ≥99.0% (GC); ≥99.0%
bp 45-50 °C/14 mmHg (lit.)
Density 0.969 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.384 (lit.); n20/D 1.384
UNSPSC 41116105

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