Description

Cyclopentadienylhafnium Trichloride is a highly reactive organometallic compound primarily used as a catalyst precursor in advanced polymerization processes. This compound is critical for producing high-performance polymers with specific stereochemistry and material properties. It is essential for R&D and manufacturing in the specialty chemical, polymer, and advanced materials sectors, where precise catalyst control is paramount.

Application

• Catalyst Precursor for Olefin Polymerization: A key component in Ziegler-Natta and metallocene catalyst systems for producing polyethylene and polypropylene.
• Advanced Material Synthesis: Used in the development of novel organohafnium complexes and ceramic precursors.
• Chemical Vapor Deposition (CVD): Serves as a hafnium source for depositing thin films in semiconductor and electronic applications.
• Organic Synthesis & Research: Employed as a reagent in organometallic chemistry for constructing complex molecular architectures.
• Specialty Polymer Production: Facilitates the synthesis of tailored polymers with controlled molecular weight and tacticity.

Basic Information

Product Name	Cyclopentadienylhafnium Trichloride
CAS No.	61906-04-5
Molecular Formula	C5H5HfCl3
Molecular Weight	346.98 g/mol
Synonyms	Hafnocene Trichloride; (Cyclopentadienyl)hafnium(IV) Trichloride; CpHfCl3; Monocyclopentadienylhafnium Trichloride; Hafnium, trichloro(η5-2,4-cyclopentadien-1-yl)-; (η5-Cyclopentadienyl)hafnium Trichloride
EINECS	Contact for details

Quality Control

Our Cyclopentadienylhafnium Trichloride is manufactured under stringent conditions to ensure high purity and batch-to-batch consistency. Quality is verified through comprehensive analytical techniques including NMR, elemental analysis (Hf, Cl), and titration methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic and moisture-sensitive nature, this material should be handled and stored under an inert atmosphere (argon or nitrogen) to prevent decomposition. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Hf content)	≥ 95.0%
Purity (by NMR)	≥ 97.0%
Chloride Content	30.0 - 31.5 %
Solubility	Soluble in common organic solvents (e.g., toluene, THF)

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