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T6381

Supelco

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

with 1% trimethylchlorosilane, for GC derivatization, LiChropur

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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:

grade

for GC derivatization

Quality Level

quality

LiChropur
with 1% trimethylchlorosilane

contains

1% trimethylchlorosilane as additive

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

color

hazy clear to colorless

refractive index

n20/D 1.384 (lit.)

bp

45-50 °C/14 mmHg (lit.)

solubility

hexane: miscible 100 mg/mL

density

0.97 g/mL (lit.)

storage temp.

2-8°C

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

solubility

hexane: miscible 100 mg/mL

solubility

-

solubility

-

solubility

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

density

0.97 g/mL (lit.)

density

0.969 g/mL at 25 °C (lit.)

density

0.97 g/mL (lit.)

density

0.969 g/mL at 25 °C (lit.)

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.)

General description

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane is a silylating reagent generally used in estrogenic steroid hormone identification and quantification.

Application

BSTFA+TMCS has been used as derivatizing reagent for GC-MS determination of natural and synthetic estrogenic steroids.

Packaging

Clear borosilicate glass, high hydrolytic resistance (Type I)
Sealed ampules contain 1 ml. Gram sizes are in screw-cap bottles.

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

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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Analytica Chimica Acta, 554.1, 190-196 (2005)
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