Description

Chlorodimethyl(2,3,4,5-Tetramethyl-2,4-Cyclopentadien-1-Yl)Silane is a highly specialized organosilicon compound featuring a substituted cyclopentadienyl ligand, making it a critical precursor in advanced material synthesis. Its core value lies in its role as a versatile building block for constructing sophisticated organometallic complexes and functionalized silicon-based polymers. This chemical is essential for R&D and production teams in the fine chemical, pharmaceutical, and advanced materials sectors. Its unique structure enables precise molecular engineering for catalysts and novel polymeric materials.

Application

• Precursor for Metallocene Catalysts: Serves as a key ligand source in the synthesis of Group 4 metallocene complexes used in olefin polymerization (e.g., polypropylene, polyethylene).
• Surface Modification Agent: Used to functionalize silica and other inorganic surfaces for improved compatibility in composite materials.
• Intermediate in Pharmaceutical Synthesis: Acts as a protected silane reagent in the multi-step synthesis of complex drug molecules and bioactive compounds.
• Building Block for Silicon-Containing Polymers: Employed in the development of specialized polysilanes and siloxane polymers with tailored thermal and optical properties.
• Research & Development: A valuable reagent in academic and industrial labs for exploring new organometallic chemistry and catalysis.
• Material Science: Used in the fabrication of advanced hybrid organic-inorganic materials for electronics and coatings.

Basic Information

Product Name	Chlorodimethyl(2,3,4,5-Tetramethyl-2,4-Cyclopentadien-1-Yl)Silane
CAS No.	125542-03-2
Molecular Formula	C11H19ClSi
Molecular Weight	214.80 g/mol
Synonyms	Dimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)chlorosilane; (Tetramethylcyclopentadienyl)dimethylchlorosilane; Cp*SiMe2Cl (where Cp* = pentamethylcyclopentadienyl); Chlorodimethyl(pentamethylcyclopentadienyl)silane; 1-Chlorodimethylsilyl-2,3,4,5-tetramethylcyclopentadiene; Dimethylchloro(2,3,4,5-tetramethylcyclopentadienyl)silane
EINECS	Contact for details

Quality Control

Our production of Chlorodimethyl(2,3,4,5-Tetramethyl-2,4-Cyclopentadien-1-Yl)Silane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot undergoes rigorous analytical testing, including NMR, GC, and HPLC analysis. Certificates of Analysis (COA) detailing purity and impurity profiles are available upon request. We operate under a quality management system to meet the exacting standards of our global clientele in research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.