Description

Bis(Ethylcyclopentadienyl)Hafnium Dichloride is a highly specialized organometallic compound, primarily utilized as a precursor in advanced materials synthesis. Its core value lies in its role as a critical catalyst and thin-film deposition agent, enabling precise control over material properties at the atomic level. This product is essential for manufacturers and R&D facilities in the semiconductor, specialty polymers, and high-performance ceramics industries seeking to innovate with hafnium-based materials.

Application

• As a precursor for Atomic Layer Deposition (ALD) and Chemical Vapor Deposition (CVD) of hafnium oxide (HfO₂) high-k dielectric films in semiconductor manufacturing.
• As a catalyst component in the polymerization of olefins and the synthesis of specialty polymers.
• In the research and development of novel organometallic complexes and catalysts for organic synthesis.
• For the production of hafnium-containing ceramics and composites with enhanced thermal and mechanical properties.
• As a dopant or additive in advanced optical coatings and materials.

Basic Information

Product Name	Bis(Ethylcyclopentadienyl)Hafnium Dichloride
CAS No.	78205-93-3
Molecular Formula	C₁₄H₂₀Cl₂Hf
Molecular Weight	449.71 g/mol
Synonyms	Bis(ethylcyclopentadienyl)hafnium(IV) dichloride; Hafnocene dichloride, ethyl-substituted; Di(ethylcyclopentadienyl)hafnium dichloride; (C₂H₅C₅H₄)₂HfCl₂; Ethyl-substituted hafnocene dichloride; Hafnium, dichlorobis(ethylcyclopentadienyl)-; Organohafnium catalyst precursor
EINECS	Contact for details

Quality Control

Our Bis(Ethylcyclopentadienyl)Hafnium Dichloride is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive applications like semiconductor fabrication. Each lot is analyzed to confirm identity, purity, and the absence of critical metallic impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., argon or nitrogen) due to its sensitivity to moisture and oxidation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Hf content)	≥ 98.0%
Purity (HPLC/GC)	≥ 97.0%
Chloride Content	Theoretical
Heavy Metals (as Pb)	< 50 ppm
Specific Impurities (Fe, Al, etc.)	< 10 ppm each

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