Description

Lithium Cyclopentadienide is an organolithium compound and a key metallocene precursor. This highly reactive reagent is essential for synthesizing cyclopentadienyl complexes, which serve as catalysts and intermediates in advanced material science. It is primarily utilized by researchers and manufacturers in the pharmaceutical, polymer, and specialty chemical industries for developing novel organometallic compounds and fine chemicals.

Application

• Organometallic Synthesis: A fundamental precursor for preparing cyclopentadienyl (Cp) complexes of transition metals and lanthanides.
• Catalyst Production: Used in the manufacture of metallocene catalysts for olefin polymerization (e.g., polyethylene, polypropylene).
• Pharmaceutical Intermediates: Serves as a building block for creating complex molecules in active pharmaceutical ingredient (API) research and development.
• Material Science: Employed in the synthesis of advanced materials, including molecular magnets and precursors for chemical vapor deposition (CVD).
• Fine Chemical Manufacturing: Acts as a strong base and nucleophile in specialized organic synthesis reactions.
• Academic & Industrial R&D: A critical reagent for exploring new reactions and compounds in organometallic chemistry.

Basic Information

Product Name	Lithium Cyclopentadienide
CAS No.	16733-97-4
Molecular Formula	C5H5Li
Molecular Weight	72.05 g/mol
Synonyms	Lithium Cyclopentadienyl; Cyclopentadienyllithium; CpLi; Lithium (cyclopentadienide); Cyclopentadienide lithium salt; Lithium 2,4-cyclopentadien-1-ide; 1,3-Cyclopentadien-1-ide, lithium
EINECS	240-796-0

Quality Control

Our Lithium Cyclopentadienide is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high reactivity. Each lot undergoes comprehensive analysis to confirm identity, purity, and stability. Certificates of Analysis (COA) detailing specific test 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 highly reactive nature, this material must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. It is easily oxidized, hygroscopic (moisture-sensitive), and highly volatile. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Off-white to beige powder or solution
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Solvent (if supplied as solution)	Specified (e.g., THF, Diethyl ether)

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