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Supelco

Chlorotriethylsilane

for GC derivatization, LiChropur™, ≥97.0% (GC)

Synonym(s):

TESCl, Triethylchlorosilane

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About This Item

Linear Formula:
(C2H5)3SiCl
CAS Number:
994-30-9
Molecular Weight:
150.72
Beilstein:
1732860
EC Number:
213-615-6
MDL number:
MFCD00000507
UNSPSC Code:
12000000
PubChem Substance ID:
329769905
NACRES:
NA.22

grade

for GC derivatization

Quality Level

100

Assay

≥97.0% (GC)

form

liquid

quality

LiChropur™

reaction suitability

reagent type: derivatization reagent
reaction type: Silylations

technique(s)

gas chromatography (GC): suitable

refractive index

n20/D 1.43 (lit.)

bp

142-144 °C (lit.)

density

0.898 g/mL at 25 °C (lit.)

SMILES string

CC[Si](Cl)(CC)CC

InChI

1S/C6H15ClSi/c1-4-8(7,5-2)6-3/h4-6H2,1-3H3

InChI key

DCFKHNIGBAHNSS-UHFFFAOYSA-N

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General description

Chlorotriethylsilane may be used as a silylating reagent for the preparation of trisilyl ethers from alcohols in the presence of a base such as imidazole, pyridine or 4-(dimethylamino)pyridine. It is found to be more reactive when used with pyridine as a solvent.

Application

Chlorotriethylsilane may be used as a derivatizing reagent for the determination of fluoride, in toothpaste samples using headspace solid-phase microextraction and gas chromatography–flame ionization detection.

Other Notes

Silylating agent with some advantage over the trimethylsilylating agents for synthetic and analytical applications

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

H226 - H301 - H314

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Supplementary Hazards

EUH014 - EUH071

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

86.0 °F

Flash Point(C)

30 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
1418973V
1418973
1369915
1341060
400587/1

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J. Heberle et al.
Silylating Agents, 2nd ed. (1995)
Science of Synthesis: Houben-Weyl Methods of Molecular Transformations, 4 (2014)
Determination of fluoride in toothpaste using headspace solid-phase microextraction and gas chromatography?flame ionization detection
Wejnerowska G, et al.
Journal of Chromatography A, 1150(1-2), 173-177 (2007)
W.C. Still et al.
Journal of the American Chemical Society, 99, 948-948 (1977)
C.F. Poole et al.
Journal of Chromatographic Science, 17, 115-115 (1979)

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