MilliporeSigma
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175552

Sigma-Aldrich

Trichlorosilane

99%

Linear Formula:
SiHCl3
CAS Number:
Molecular Weight:
135.45
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

1 (vs air)

Quality Level

vapor pressure

9.75 psi ( 20 °C)

assay

99%

form

liquid

expl. lim.

70 %

bp

32-34 °C (lit.)

density

1.342 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cl[SiH](Cl)Cl

InChI

1S/Cl3HSi/c1-4(2)3/h4H

InChI key

ZDHXKXAHOVTTAH-UHFFFAOYSA-N

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General description

Trichlorosilane is generally used for the asymmetric hydrosilylation of olefins in the presence of palladium catalysts coordinated with chiral monodentate phosphorus ligands to generate chiral organosilanes.

Application

Trichlorosilane has been used to synthesize 11-dicyclohexylphosphino-12-phenyl-9,10-dihydro-9,10-ethenoanthracene (H-KITPHOS) via reduction of 11-dicyclohexylphosphinoyl-12-phenyl-9,10-dihydro-9,10-ethenoanthracene.
Other possible applications:
  • Asymmetric reduction of N-aryl ketimines in the presence of a novel

L-valine-derived catalyst to form secondary amines.
  • Hydrosilylation of imidazolinones to form chiral imidazolidinones in the presence of a 2,2′-bispyrrolidine based Lewis base organocatalyst.
  • Trichlorosilane activated with chiral N-formylproline

derivatives is an effective reagent for the reduction of imines to form
enantiomerically enriched amines.
  • Trichlorosilane reacts with dimethylformamide to form hypervalent hydridosilicates, which can reduce aldehydes to alcohols, imines to amines, and also for the reductive amination of aldehydes.

Packaging

5, 100, 250, 500 g in Sure/Seal™

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 1 - Pyr. Liq. 1 - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Flash Point(F)

-18.4 °F

Flash Point(C)

-28 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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