Lithium tetramethylcyclopentadienide
Lithium tetramethylcyclopentadienide (CAS: 82061-21-0, Formula: LiC5H(CH3)4, MW: 128.14) is an organolithium reagent primarily utilized in advanced chemical synthesis. It serves as a key reactant for creating various organometallic complexes, including titanium, zirconium, and hafnium compounds, which are crucial in catalysis and materials science. Tech Serve Solutions supplies this compound for research and development purposes.
Synthesis of Organometallic Complexes
Lithium tetramethylcyclopentadienide is a precursor for synthesizing various metal complexes, notably titanium, zirconium, and hafnium derivatives. These complexes often find application as catalysts.
Catalyst Development
It is employed in the preparation of hafnocene catalysts and other transition metal complexes vital for polymerization and other catalytic processes in organic chemistry.
Ligand Synthesis
This organolithium compound acts as a reactant in the synthesis of specialized ligands, such as cyclopentadienylphosphanes, contributing to the development of novel chemical entities.
Reduction Reactions
It participates as a reactant in reduction processes, for example, with beta-diketiminato-titanium(III) complexes, furthering synthetic organic chemistry.
| Molecular weight | 128.14 |
|---|---|
| Linear formula | LiC5H(CH3)4 |
| Application | Reactant for synthesis of:• Cyclopentadienylphosphanes1• Ansa-cyclopentadienyl-phenoxy titanium(IV) complexes2• Titanium and zirconium complexes3• Hafnocene catalysts4Reactant with SiH-functionalized cyclopentadienes5Reactant in the reduction of beta-diketiminato-titanium(III) complexes6 |
| Melting point | >350 °C(lit.) |
Hazard statements
- H250Catches fire spontaneously if exposed to air
Precautionary statements
- P222Do not allow contact with air
- P231Handle under inert gas
- P422
| Protective equipment | Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3391 4.2 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 17 |
| Safety statements (S) | 6-16-27-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Lithium tetramethylcyclopentadienide used for?
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Lithium tetramethylcyclopentadienide (CAS: 82061-21-0) is used as a reactant in the synthesis of various organometallic complexes, including cyclopentadienylphosphanes and titanium, zirconium, and hafnium complexes, and in the development of catalysts like hafnocenes.
What is the CAS number and formula for Lithium tetramethylcyclopentadienide?
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The CAS number is 82061-21-0, and its linear formula is LiC5H(CH3)4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium tetramethylcyclopentadienide typically as a research or technical grade chemical. We do not represent it as USP, BP, or EP grade unless explicitly stated otherwise. Please inquire for specific lot details and assays.
How should Lithium tetramethylcyclopentadienide be handled?
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Lithium tetramethylcyclopentadienide is pyrophoric (H250) and requires careful handling under an inert atmosphere. Appropriate personal protective equipment, including eyeshields, face shields, and gloves, must be worn. Store and handle away from air and moisture (P222, P231, P422).
Is Lithium tetramethylcyclopentadienide packed and shipped internationally?
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Yes, Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, including Lithium tetramethylcyclopentadienide, adhering to all relevant shipping regulations for hazardous materials (UN 3391).
How can I request a quote or sample for Lithium tetramethylcyclopentadienide?
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To request a quote or a sample of Lithium tetramethylcyclopentadienide, please contact our sales department via our website or by phone, providing your details and the quantity required.
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