Description

1,3-Cyclopentadiene, 5,5-Dimethyl-1-Trimethylsilyl- is a high-value, functionalized cyclopentadiene derivative, serving as a versatile building block in advanced organic synthesis. Its core value lies in its role as a protected, reactive diene and a precursor for organosilicon reagents, enabling the construction of complex molecular architectures. This compound is essential for R&D and production chemists in the pharmaceutical, agrochemical, and materials science industries, where precise molecular engineering is required.

Application

• Pharmaceutical Intermediates: Key synthon for constructing complex carbocyclic and heterocyclic frameworks in active pharmaceutical ingredient (API) development.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides that require specific stereochemistry and silicon-containing functional groups.
• Organometallic Chemistry & Catalysis: Acts as a ligand precursor or a modifying agent for transition metal catalysts, influencing activity and selectivity.
• Materials Science Research: Building block for novel polymers, dendrimers, and silicon-based advanced materials with tailored properties.
• Diels-Alder Reactions: Serves as a reactive diene component in [4+2] cycloadditions to synthesize intricate polycyclic compounds.
• Academic & Industrial R&D: A critical reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	1,3-Cyclopentadiene, 5,5-Dimethyl-1-Trimethylsilyl-
CAS No.	959289-08-8
Molecular Formula	C10H18Si
Molecular Weight	166.34 g/mol
Synonyms	5,5-Dimethyl-1-(trimethylsilyl)cyclopenta-1,3-diene; 1-Trimethylsilyl-5,5-dimethyl-1,3-cyclopentadiene; 5,5-Dimethyl-1-trimethylsilylcyclopentadiene; (5,5-Dimethylcyclopenta-1,3-dien-1-yl)trimethylsilane; TMS-Dimethylcyclopentadiene; Trimethyl(5,5-dimethyl-1,3-cyclopentadien-1-yl)silane; Dimethyl-TMS-cyclopentadiene
EINECS	Contact for details

Quality Control

Our 1,3-Cyclopentadiene, 5,5-Dimethyl-1-Trimethylsilyl- is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. All products undergo rigorous analytical testing, including GC, NMR, and HPLC, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

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.