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T6381

N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane

with 1% trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur™

Synonym(s):

BSTFA + TMCS

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About This Item

Linear Formula:
CF3C[=NSi(CH3)3]OSi(CH3)3
CAS Number:
25561-30-2
Molecular Weight:
257.40
UNSPSC Code:
23151817
NACRES:
NA.22
PubChem Substance ID:
24900370
MDL number:
MFCD00008269
Beilstein/REAXYS Number:
2050024
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grade

derivatization grade (GC derivatization)

Quality Segment

100

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

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

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pictograms

FlameExclamation mark
GHS02,GHS07

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

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