Description

Lithium Tetramethylcyclopentadienide is an organolithium compound and a highly reactive metallocene precursor. This specialty chemical is valued for its role as a key building block in advanced material synthesis and catalysis. It is primarily utilized by researchers and manufacturers in the fields of polymer chemistry, organic synthesis, and the development of novel organometallic complexes.

Application

• Precursor for synthesizing transition metal complexes, particularly metallocene catalysts used in olefin polymerization.
• Reagent in organic synthesis for introducing the tetramethylcyclopentadienyl ligand.
• Building block for advanced materials, including molecular precursors to ceramic materials (MOCVD).
• Used in academic and industrial R&D for developing new organometallic compounds.
• Component in the synthesis of specialty polymers with tailored properties.
• Starting material for fine chemical and pharmaceutical intermediate synthesis.

Basic Information

Product Name	Lithium Tetramethylcyclopentadienide
CAS No.	82061-21-0
Molecular Formula	C9H13Li
Molecular Weight	128.14 g/mol
Synonyms	Lithium 1,2,3,4-Tetramethylcyclopentadienide; 1,2,3,4-Tetramethylcyclopentadienyllithium; Tetramethylcyclopentadienyllithium; Li(TMCp); Cp*Li (common, though Cp* typically denotes pentamethyl); Lithium Tetramethylcyclopentadiene Anion
EINECS	Contact for details

Quality Control

Our Lithium Tetramethylcyclopentadienide is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high reactivity. Each lot is analyzed to confirm identity, purity, and suitability for sensitive organometallic synthesis. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and handling specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly reactive and air/moisture-sensitive nature, this material must be stored under an inert atmosphere (argon or nitrogen) at temperatures between 2°C and 8°C. The storage area should be cool, dry, and well-ventilated, away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to beige powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Solubility (Test)	Soluble in THF, ethers; reacts with protic solvents

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