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N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

for GC derivatization, LiChropur, contains 10% TMCS, 98% (excluding TMCS)

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Synonym(s):
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

≥97.5% (excluding TMCS, GC)
98% (excluding TMCS)

form

liquid

quality

LiChropur

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

impurities

9.0-11.0% TMCS

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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1 of 4

This Item
15519515238T6381
Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

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

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.)

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.)

form

liquid

form

liquid

form

liquid

form

-

General description

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane has found application to be used in gas chromatography (GC) and mass-spectrometry (MS). It can also be used in HPLC- electrochemical detection assay of 8-oxo-deoxyguanosine and?8-oxo-guanine.

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.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

related product

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

15.8 °F - closed cup

flash_point_c

-9 °C - closed cup

ppe

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


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