Description

Cyclopentadienyltrimethylsilane is a versatile organosilicon compound that serves as a crucial building block in advanced organic and organometallic synthesis. Its primary value lies in its role as a stable and readily transferable cyclopentadienyl ligand precursor, essential for constructing complex molecular architectures. This high-purity reagent is indispensable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors, particularly for the development of catalysts and novel polymers.

Application

• Key precursor for the synthesis of metallocene catalysts, including zirconocenes and titanocenes, used in olefin polymerization.
• Building block in organic synthesis for introducing the cyclopentadienyl moiety into complex molecules.
• Intermediate in the production of specialty silicone-based materials and polymers with unique thermal and mechanical properties.
• Reagent for the preparation of organometallic complexes used in homogeneous catalysis for fine chemical production.
• Starting material for advanced ligand systems in coordination chemistry and material science research.
• Used in the development of electronic and optoelectronic materials due to its ability to form stable organometallic structures.

Basic Information

Product Name	Cyclopentadienyltrimethylsilane
CAS No.	3559-74-8
Molecular Formula	C8H16Si
Molecular Weight	140.30 g/mol
Synonyms	Trimethyl(cyclopentadienyl)silane; (Cyclopentadienyl)trimethylsilane; CpTMS; Cyclopentadienyl-trimethyl-silane; Silane, trimethylcyclopentadienyl-; 1-Trimethylsilylcyclopentadiene
EINECS	222-619-7

Quality Control

Our Cyclopentadienyltrimethylsilane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to verify identity, potency, and moisture content. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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