Description

Bis(Indenyl)Halfnium(Iv) Dichloride CAS NO 49596-05-6 is a highly specialized organohafnium compound, serving as a critical catalyst precursor in advanced polymerization processes. Its primary value lies in enabling the synthesis of polymers with highly controlled microstructures and tailored properties. This metallocene complex is essential for researchers and manufacturers in the fields of polyolefin catalysis and advanced material science, where precise stereochemical control is paramount.

Application

• Catalyst Component for Olefin Polymerization: A key precursor for single-site catalysts used in the production of polyethylene and polypropylene with specific tacticity and molecular weight distributions.
• Advanced Material Synthesis: Employed in the research and development of novel polymeric materials, including specialty elastomers and engineering plastics.
• Co-catalyst Systems: Used in conjunction with activators like methylaluminoxane (MAO) or boron-based compounds to form highly active catalytic species for α-olefin polymerization.
• Academic and Industrial R&D: A vital reagent for studying structure-activity relationships in metallocene catalysis and exploring new polymerization mechanisms.
• Fine Chemical Intermediate: Serves as a starting material for the synthesis of other organohafnium complexes with modified ligand environments.

Basic Information

Product Name	Bis(Indenyl)Halfnium(Iv) Dichloride
CAS No.	49596-05-6
Molecular Formula	C18H14Cl2Hf
Molecular Weight	461.80 g/mol
Synonyms	Bis(indenyl)hafnium dichloride; Hafnocene dichloride; Dichlorobis(indenyl)hafnium(IV); Bis(η5-indenyl)hafnium(IV) dichloride; Hf(C9H7)2Cl2; Organohafnium catalyst; Metallocene hafnium complex
EINECS	Contact for details

Quality Control

Our Bis(Indenyl)Hafnium(IV) Dichloride is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high catalytic performance. Each lot is characterized using advanced analytical techniques to confirm identity, purity, and the absence of detrimental impurities. A comprehensive Certificate of Analysis (COA) detailing assay, metal content, and spectroscopic data is provided with every shipment to support your R&D and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (argon or nitrogen) to prevent decomposition. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to brown crystalline solid
Identification (IR)	Conforms to structure
Assay (Hf content)	≥ 98.5%
Purity (HPLC)	≥ 97.0%
Solubility	Soluble in toluene, dichloromethane

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