Description

1,3-Cyclopentadiene, 1,5,5-Trimethyl-2-(Trimethylsilyl)- is a specialized organosilicon derivative of cyclopentadiene, valued for its unique steric and electronic properties as a reactive intermediate in advanced organic synthesis. This compound is critical for researchers and process chemists developing novel materials and complex molecules where precise structural control is paramount. Its primary utility lies in serving as a key building block for the synthesis of tailored ligands, functional polymers, and active pharmaceutical ingredients (APIs) in high-value R&D and fine chemical production.

Application

• Advanced Organic Synthesis: Acts as a versatile precursor and protecting group reagent in complex multi-step syntheses, particularly for pharmaceuticals and agrochemicals.
• Organometallic Chemistry & Catalysis: Used in the preparation of novel metal-ligand complexes and catalysts for asymmetric synthesis and polymerization reactions.
• Materials Science R&D: Serves as a monomer or modifier in the development of specialty polymers, silicones, and advanced materials with customized properties.
• Pharmaceutical Intermediates: A key building block in the research and production of complex drug molecules and bioactive compounds.
• Chemical Research: Employed in academic and industrial laboratories for methodological development and exploring new reaction pathways.

Basic Information

Product Name	1,3-Cyclopentadiene, 1,5,5-Trimethyl-2-(Trimethylsilyl)-
CAS No.	959313-04-3
Molecular Formula	C11H20Si
Molecular Weight	180.36 g/mol
Synonyms	1,5,5-Trimethyl-2-(trimethylsilyl)-1,3-cyclopentadiene; 2-(Trimethylsilyl)-1,5,5-trimethyl-1,3-cyclopentadiene; Trimethyl(1,5,5-trimethyl-1,3-cyclopentadien-2-yl)silane; TMS-substituted trimethylcyclopentadiene
EINECS	Contact for details

Quality Control

Our production of 1,3-Cyclopentadiene, 1,5,5-Trimethyl-2-(Trimethylsilyl)- adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot is characterized using advanced analytical techniques including GC, NMR, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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