Description

1,3-Cyclopentadiene, 2,5,5-Trimethyl-1-(Trimethylsilyl)- is a specialized organosilicon derivative of cyclopentadiene, valued for its role as a versatile building block in advanced organic synthesis. This compound is particularly significant for introducing sterically hindered, silyl-protected diene functionality into molecular frameworks, enabling the development of complex structures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of sterically demanding, bioactive molecules and potential drug candidates.
• Agrochemical Synthesis: Used in creating novel pesticides and herbicides with tailored properties and enhanced stability.
• Advanced Material Monomers: Acts as a functional monomer for developing specialty polymers with unique thermal or mechanical characteristics.
• Organometallic Chemistry: Employed as a ligand precursor or a reactive substrate in catalytic cycles and metal complex formation.
• Fine Chemical Production: Utilized in multi-step syntheses of complex fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and materials science research.

Basic Information

Product Name	1,3-Cyclopentadiene, 2,5,5-Trimethyl-1-(Trimethylsilyl)-
CAS No.	959313-06-5
Molecular Formula	C11H20Si
Molecular Weight	180.36 g/mol
Synonyms	2,5,5-Trimethyl-1-(trimethylsilyl)-1,3-cyclopentadiene; 1-(Trimethylsilyl)-2,5,5-trimethyl-1,3-cyclopentadiene; Trimethyl(2,5,5-trimethyl-1,3-cyclopentadien-1-yl)silane; TMS-Trimethylcyclopentadiene; Silylated Cyclopentadiene Derivative
EINECS	Contact for details

Quality Control

Our production of 1,3-Cyclopentadiene, 2,5,5-Trimethyl-1-(Trimethylsilyl)- adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to verify identity, purity, and absence of critical impurities. Certificates of Analysis (COA) detailing all relevant specifications are available upon request to support your quality assurance protocols.

Storage

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

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.