Skip to Content
Merck
All Photos(1)

Key Documents

409405

Sigma-Aldrich

Chlorotris(trimethylsilyl)silane

97%

Synonym(s):

1,1,1,3,3,3-Hexamethyl-2-(trimethylsilyl)-2-chlorotrisilane, 2-Chloro-1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane, Tris(trimethylsilyl)chlorosilane, Tris(trimethylsilyl)silyl chloride

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
[(CH3)3Si]3SiCl
CAS Number:
Molecular Weight:
283.11
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

solid

mp

50-52 °C (lit.)

SMILES string

C[Si](C)(C)[Si](Cl)([Si](C)(C)C)[Si](C)(C)C

InChI

1S/C9H27ClSi4/c1-11(2,3)14(10,12(4,5)6)13(7,8)9/h1-9H3

InChI key

HCOROOJWVHFMRJ-UHFFFAOYSA-N

General description

Chlorotris(trimethylsilyl)silane is an organosilicon reagent, which is generally employed in the protection of alcohols. It is also used to prepare organometallic reagents, silyl enol ethers, and novel polymers/materials.

Application

Super Silyl Protecting Groups

Used for:
  • Insertion into a P-P bond
  • Diastereoselective aldol and cascade reactions
  • Preparation of hypersilyl substituted monophosphines and diphosphines

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 3

Flash Point(F)

87.8 °F - closed cup

Flash Point(C)

31 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Chlorotris(trimethylsilyl)silane
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2011)
Chlorotris(trimethylsilyl)silane
e-EROS Encyclopedia of Reagents for Organic Synthesis (2011)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service