Skip to Content
Merck
All Photos(1)

Key Documents

155195

Sigma-Aldrich

N,O-Bis(trimethylsilyl)trifluoroacetamide

≥99%

Synonym(s):

BSTFA

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CF3C[=NSi(CH3)3]OSi(CH3)3
CAS Number:
Molecular Weight:
257.40
Beilstein:
2050024
EC Number:
MDL number:
UNSPSC Code:
12352111
PubChem Substance ID:
NACRES:
NA.22

grade

synthesis grade

Quality Level

Assay

≥99%

form

liquid

refractive index

n20/D 1.384 (lit.)

bp

45-50 °C/14 mmHg (lit.)

density

0.969 g/mL at 25 °C (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

Looking for similar products? Visit Product Comparison Guide

General description

N,O-Bis(trimethylsilyl)trifluoroacetamide is an organosilicon reagent for trimethylsilylation, deprotection, dehydrogenation, allylic alkylation, nitronate formation, and Claisen rearrangement.

BSTFA is a silylating agent used in the synthesis of 4-Quinolones.

Application

N,O-Bis(trimethylsilyl)trifluoroacetamide can be used as a derivatization reagent for the determination of the estrogens estrone and 17α-ethinylestradiol by gas chromatography-mass spectrometry.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

93.2 °F

Flash Point(C)

34 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Ahmed I Rushdi et al.
SpringerPlus, 3, 253-253 (2014-06-14)
Propolis is a sticky material mixed by honeybees to utilize it in protecting their hives from infection by bacteria and fungi. The therapeutic properties of propolis are due to its chemical composition with bio-active compounds; therefore, researchers are interested in
E Teixidó et al.
Journal of chromatography. A, 1135(1), 85-90 (2006-10-03)
A new, simple and selective method for the analysis of 5-hydroxymethylfurfural (HMF) in foods by gas chromatography coupled to mass spectrometry (GC-MS) is proposed. Several derivatising procedures based on the formation of an HMF silylated derivative using different reagents were
Hidenori Matsukami et al.
The Science of the total environment, 493, 672-681 (2014-07-06)
Chlorinated and non-halogenated organophosphorus flame retardants (OPFRs) including tris(2-chloroisopropyl) phosphate (TCIPP), diethylene glycol bis(di(2-chloroisopropyl) phosphate) (DEG-BDCIPP), triphenyl phosphate (TPHP), and bisphenol A bis(diphenyl phosphate) (BPA-BDPP) have been used increasingly as alternatives to polybrominated diphenyl ethers and other brominated flame retardants.
Nyi Nyi Naing et al.
Journal of chromatography. A, 1423, 1-8 (2015-11-05)
Electro membrane extraction-solid-liquid phase microextraction (EME-SLPME) was developed for the first time to determine phenolic contaminants in water. The extraction system consisted of a solid/liquid interface that permitted a three-phase microextraction approach involving an aqueous sample (donor phase): an organic
Greg M Kowalski et al.
Biochemical and biophysical research communications, 462(1), 27-32 (2015-05-02)
Defects in muscle glucose metabolism are linked to type 2 diabetes. Mechanistic studies examining these defects rely on the use of high fat-fed rodent models and typically involve the determination of muscle glucose uptake under insulin-stimulated conditions. While insightful, they

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service