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Supelco

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

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

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Synonym(s):
Silylating mixture V, BSTFA + TMCS
Linear Formula:
CF3C[=NSi(CH3)3]OSi(CH3)3
CAS Number:
Molecular Weight:
257.40
Beilstein/REAXYS Number:
2050024
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

for GC derivatization

Quality Level

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.)

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

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This Item
1551951520915222
reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

reaction suitability

-

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

refractive index

n20/D 1.384 (lit.)

refractive index

n20/D 1.384 (lit.)

refractive index

n20/D 1.384 (lit.)

refractive index

n20/D 1.384 (lit.)

form

liquid

form

liquid

form

liquid

form

liquid

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

bp

45-50 °C/14 mmHg (lit.)

Application

Learn more in the Product Information

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)

Other Notes

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

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

related product

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk_germany

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


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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)
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)
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)

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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