Description

Bis(T-Butylcyclopentadienyl)Dimethylhafnium(IV) is a highly specialized organometallic compound, primarily utilized as a single-site catalyst precursor in advanced polymerization processes. Its value lies in enabling precise control over polymer microstructure, which is critical for producing high-performance polyolefins with tailored properties. This material is essential for R&D and manufacturing within the petrochemical and advanced materials sectors, particularly for those developing next-generation polymers and specialty plastics.

Application

• Catalyst Precursor for Polyolefin Production: Serves as a key component in metallocene and other single-site catalyst systems for the synthesis of polyethylene (PE) and polypropylene (PP).
• Advanced Polymer Research: Enables the development of polymers with specific tacticity, molecular weight distribution, and co-monomer incorporation in R&D laboratories.
• Specialty Plastics Manufacturing: Used in the production of high-value, engineered plastics requiring superior clarity, impact strength, or heat resistance.
• Material Science Studies: Acts as a model compound in organometallic chemistry and catalysis research for studying reaction mechanisms and ligand effects.
• Fine Chemical Synthesis: May be employed as a reagent or catalyst in specialized organic synthesis reactions requiring hafnium-based intermediates.

Basic Information

Product Name	Bis(T-Butylcyclopentadienyl)Dimethylhafnium(IV)
CAS No.	68193-45-3
Molecular Formula	C₂₂H₃₆Hf
Molecular Weight	487.12 g/mol
Synonyms	Bis(tert-butylcyclopentadienyl)dimethylhafnium; Dimethylbis(tert-butylcyclopentadienyl)hafnium(IV); Hafnocene derivative; Hf(Cp-tBu)₂Me₂; (tBuCp)₂HfMe₂; Bis(1,2,3,4,5-penta-1,1-dimethylethylcyclopentadienyl)dimethylhafnium; Organohafnium catalyst
EINECS	Contact for details

Quality Control

Our production of Bis(T-Butylcyclopentadienyl)Dimethylhafnium(IV) adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques, including NMR and elemental analysis, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 a dry, inert gas atmosphere (e.g., argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept sealed and only opened in a controlled, moisture-free environment.

Specification

Item	Specification
Appearance	Yellow to orange crystalline solid or powder
Identification (NMR)	Conforms to structure
Purity (Hf Content)	≥ 95% (by elemental analysis)
Solubility	Soluble in common organic solvents (e.g., toluene, hexane)

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