Description

Bis(Methylcyclopentadienyl)Magnesium is a highly reactive organomagnesium compound, specifically a Grignard reagent analog, with the CAS number 40672-08-0. This compound serves as a versatile and efficient precursor for introducing the methylcyclopentadienyl ligand in advanced organometallic synthesis and materials science. It is essential for researchers and manufacturers in the fields of catalysis, polymer chemistry, and the development of novel electronic materials who require precise and reliable organometallic building blocks.

Application

• As a key precursor in the synthesis of metallocene catalysts for olefin polymerization (e.g., polypropylene, polyethylene).
• In the preparation of other methylcyclopentadienyl-containing organometallic complexes for academic and industrial research.
• As a reagent in organic synthesis for the formation of carbon-carbon bonds under specific conditions.
• In materials science for the deposition of magnesium-containing thin films via chemical vapor deposition (CVD) or atomic layer deposition (ALD) techniques.
• For the development of specialty catalysts used in fine chemical and pharmaceutical intermediates production.

Basic Information

Product Name	Bis(Methylcyclopentadienyl)Magnesium
CAS No.	40672-08-0
Molecular Formula	C12H14Mg
Molecular Weight	182.54 g/mol
Synonyms	Bis(methylcyclopentadienyl)magnesium; Di(methylcyclopentadienyl)magnesium; Magnesium, bis(methyl-η5-cyclopentadienyl)-; Cp*2Mg (where Cp* = methylcyclopentadienyl); Methylcyclopentadienylmagnesium; (Methylcyclopentadienyl)2Mg; Magnesium bis(methylcyclopentadienide)
EINECS	Contact for details

Quality Control

Our Bis(Methylcyclopentadienyl)Magnesium is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis, including assay determination and impurity profiling. Certificates of Analysis (COA) detailing specific results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and moisture-sensitive nature, this material must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C. Handle and open containers only in a controlled, moisture-free environment.

Specification

Item	Specification
Appearance	Off-white to beige powder or crystals
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Solubility	Soluble in common organic solvents (e.g., THF, ether)

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