409405

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
• Linear Formula: [(CH₃)₃Si]₃SiCl
• CAS Number: 5565-32-2
• Molecular Weight: 283.11
• MDL number: MFCD01321222
• UNSPSC Code: 12352101
• PubChem Substance ID: 24865643
• NACRES: NA.22

Properties

• Quality Level: 100
• 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

Description

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

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H228,H261,H315,H319,H335
• pcodes: P210 - P231 + P232 - P240 - P241 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 3
• target_organs: Respiratory system
• supp_hazards: EUH029
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 3
• flash_point_f: 87.8 °F - closed cup
• flash_point_c: 31 °C - closed cup
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges