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Merck
CN

15238

BSTFA

derivatization grade (GC derivatization), LiChropur, contains 1% TMCS, 99% (excluding TMCS)

Synonym(s):

Silylating mixture V, BSTFA + TMCS

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About This Item

Linear Formula:
CF3C[=NSi(CH3)3]OSi(CH3)3
CAS Number:
Molecular Weight:
257.40
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
41116105
MDL number:
Beilstein/REAXYS Number:
2050024
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Product Name

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur, contains 1% TMCS, 99% (excluding TMCS)

InChI key

XCOBLONWWXQEBS-KPKJPENVSA-N

InChI

1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+

SMILES string

C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F

grade

derivatization grade (GC derivatization)

assay

≥98.5% (excluding chlorotrimethylsilane, GC)
99% (excluding TMCS)

form

liquid

quality

LiChropur
contains 1% TMCS

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

refractive index

n20/D 1.384 (lit.)

bp

45-50 °C/14 mmHg (lit.)

density

0.97 g/mL (lit.)

Quality Level

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Application

Learn more in the Product Information

Other Notes

Silylating mixture used for the silylation of various compounds
The position of the silyl groups has not been unequivocally established. It has been referred to as both N,N and N,O.

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

44.1 °F - closed cup

flash_point_c

6.7 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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J. Heberle et al.
Silylating Agents, 2nd ed. (1995)
W. Greenway et al.
Journal of Chromatography A, 519, 145-145 (1990)
W.M. Hammargren et al.
Analytica Chimica Acta, 247, 201-201 (1991)
Metabolism of arachidonate through NADPH-dependent oxygenase of renal cortex.
Proceedings of the National Academy of Sciences of the USA, 78 (12), 7375-7378 (1981)
DNA oxidation matters: the HPLC-electrochemical detection assay of 8-oxo-deoxyguanosine and 8-oxo-guanine.
Helbock H
Proceedings of the National Academy of Sciences of the USA, 95 (1), 288-293 (1998)

Articles

Results of a study involving the ability few Fluka silylating reagents to form GC-MS-compatible trimethylsilylmethyl derivatives of NSAIDs

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