Description

Cyclopentene, 5-Methylene-1-(Trimethylsilyl)- is a specialized organosilicon compound that serves as a valuable building block in advanced organic synthesis. This chemical is particularly significant for its role in introducing the versatile trimethylsilyl (TMS) group and a reactive methylene unit into complex molecular frameworks. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing novel intermediates and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of complex drug candidates, particularly those requiring silicon-containing moieties or specific cyclic structures.
• Agrochemical Synthesis: Used in the research and development of novel active ingredients for crop protection products.
• Organometallic Chemistry: Acts as a precursor or ligand in catalytic systems and the preparation of novel metal complexes.
• Polymer & Materials Science: Employed in the development of specialty polymers, silicone-based materials, and advanced functional coatings.
• Fine Chemical Production: Serves as a versatile building block for creating custom, high-value specialty chemicals for various industrial applications.
• Academic & Industrial R&D: A critical reagent for methodological development in organic synthesis and exploratory chemistry projects.

Basic Information

Item	Detail
Product Name	Cyclopentene, 5-Methylene-1-(Trimethylsilyl)-
CAS No.	959263-81-1
Molecular Formula	C9H18Si
Molecular Weight	154.33 g/mol
Synonyms	5-Methylene-1-(trimethylsilyl)cyclopentene; 1-(Trimethylsilyl)-5-methylidenecyclopentene; 5-Methylene-1-trimethylsilylcyclopentene; (5-Methylenecyclopent-1-en-1-yl)trimethylsilane; TMS-Cyclopentene Methylene Derivative; Trimethyl(5-methylidenecyclopent-1-en-1-yl)silane
EINECS	Contact for details

Quality Control

Our production of Cyclopentene, 5-Methylene-1-(Trimethylsilyl)- adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening 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.