Description

1,3-Cyclopentadiene, 5,5-Dimethyl-2-[(Trimethylsilyl)Methyl]- is a specialized organosilicon-substituted cyclopentadiene derivative, serving as a high-value synthetic intermediate in advanced organic and organometallic chemistry. Its core value lies in its unique molecular architecture, which combines a reactive diene system with a silyl-protecting group, enabling precise control in complex synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors who require sophisticated building blocks for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly in Diels-Alder cycloaddition reactions to construct intricate carbocyclic and heterocyclic frameworks.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, where its functionalized cyclopentadiene core contributes to unique biological activity.
• Organometallic Chemistry & Catalysis: Acts as a ligand precursor for the preparation of transition metal complexes used in homogeneous catalysis and materials science.
• Advanced Material Development: Employed in the research and production of specialty polymers, resins, and electronic materials requiring tailored silicon-containing monomers.
• Fine Chemical Synthesis: Serves as a versatile building block for synthesizing custom-designed molecules in research and process development laboratories.
• Academic & Industrial R&D: A critical reagent for methodological studies in synthetic organic chemistry, enabling new reaction pathways and compound libraries.

Basic Information

Item	Detail
Product Name	1,3-Cyclopentadiene, 5,5-Dimethyl-2-[(Trimethylsilyl)Methyl]-
CAS No.	958997-64-3
Molecular Formula	C11H20Si
Molecular Weight	180.36 g/mol
Synonyms	5,5-Dimethyl-2-[(trimethylsilyl)methyl]-1,3-cyclopentadiene; 2-[(Trimethylsilyl)methyl]-5,5-dimethyl-1,3-cyclopentadiene; (5,5-Dimethylcyclopenta-1,3-dien-2-yl)methyltrimethylsilane; TMSMCPD; Trimethyl((5,5-dimethyl-1,3-cyclopentadien-2-yl)methyl)silane
EINECS	Contact for details

Quality Control

Our production of 1,3-Cyclopentadiene, 5,5-Dimethyl-2-[(Trimethylsilyl)Methyl]- adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for demanding synthetic applications. All materials undergo comprehensive analytical characterization, including NMR, GC, and HPLC analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent moisture absorption and 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% (Area %)
Purity (HPLC)	≥ 94.0%
Water Content (KF)	≤ 0.5%

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