Description

Cyclopentadienylmagnesium Chloride is a versatile organometallic reagent, specifically a Grignard reagent, widely used in synthetic organic and organometallic chemistry. Its primary value lies in its ability to act as a nucleophilic cyclopentadienyl anion source, enabling the efficient synthesis of metallocene complexes and other cyclopentadienyl-substituted compounds. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it serves as a critical building block for catalysts and specialty chemicals.

Application

• Metallocene Catalyst Synthesis: A key precursor for the preparation of metallocene catalysts, such as zirconocenes and titanocenes, used in olefin polymerization (e.g., polypropylene, polyethylene).
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring cyclopentadienyl motifs.
• Organometallic Research: Fundamental reagent in academic and industrial R&D for constructing novel organometallic complexes with tailored properties.
• Agrochemical Synthesis: Used in the production of certain specialty agrochemicals and plant growth regulators.
• Material Science: Building block for advanced materials, including molecular precursors for chemical vapor deposition (CVD) and other thin-film technologies.
• Ligand Preparation: Source of the cyclopentadienyl (Cp) ligand for modifying the steric and electronic properties of transition metal centers.

Basic Information

Product Name	Cyclopentadienylmagnesium Chloride
CAS No.	11112-17-7
Molecular Formula	C5H5MgCl
Molecular Weight	124.85 g/mol
Synonyms	Cyclopentadienylmagnesium Chloride; Magnesium, chlorocyclopentadienyl-; CpMgCl; Cyclopentadienyl Grignard Reagent; Chloro(cyclopentadienyl)magnesium; (Cyclopentadienyl)magnesium chloride; Cyclopenta-2,4-dien-1-ylmagnesium chloride
EINECS	Contact for details

Quality Control

Our Cyclopentadienylmagnesium Chloride is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including titration and spectroscopic methods, to confirm identity, purity, and solution concentration. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Due to its properties of being easily oxidized (store under inert atmosphere) and hygroscopic (moisture-sensitive), this material must be stored under an inert gas (argon or nitrogen) in a cool, dry place. For long-term stability, storage at 2-8°C is recommended. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Solution in specified solvent (e.g., THF, Diethyl ether)
Identification (IR)	Conforms
Assay (Titration)	0.5 M to 2.0 M in solvent (Typical)
Purity (GC/HPLC)	≥ 95% (by GC, area %)

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