Description

Bis(Cyclopentadienyl)Hafnium Dichloride is a highly versatile organometallic compound, primarily valued as a critical precursor in advanced materials synthesis. Its significance lies in its role as a high-purity source of hafnium for depositing hafnium-based thin films, which are essential for next-generation semiconductor devices. This product is indispensable for manufacturers and R&D facilities in the electronics, catalysis, and specialty chemical sectors seeking reliable, high-performance materials.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): A key precursor for depositing hafnium oxide (HfO₂) high-k dielectric films in semiconductor manufacturing.
• Catalysis Research: Serves as a catalyst or catalyst precursor in olefin polymerization and other organometallic transformations.
• Materials Science R&D: Used in the synthesis of novel hafnium-containing polymers, ceramics, and nanocomposites.
• Thin Film Coating: Employed in the production of optical coatings and protective layers requiring hafnium.
• Specialty Chemical Synthesis: Acts as a starting material for synthesizing other hafnium cyclopentadienyl complexes.

Basic Information

Product Name	Bis(Cyclopentadienyl)Hafnium Dichloride
CAS No.	12116-66-4
Molecular Formula	C₁₀H₁₀Cl₂Hf
Molecular Weight	379.68 g/mol
Synonyms	Hafnocene Dichloride; Dichlorobis(cyclopentadienyl)hafnium(IV); Cp₂HfCl₂; Bis(η⁵-cyclopentadienyl)hafnium(IV) Dichloride; Hafnium(IV) Cyclopentadienyl Chloride; Hafnocene Chloride; Hf(Cp)₂Cl₂
EINECS	235-189-4

Quality Control

Our Bis(Cyclopentadienyl)Hafnium Dichloride is manufactured under stringent controls to ensure high purity and batch-to-batch consistency, suitable for demanding applications like semiconductor fabrication. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as hafnium content, chloride content, and trace metal impurities. We adhere to relevant industry standards and can support customer-specific quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the product must be handled and stored under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Hf Content)	≥ 47.0 %
Purity (by HPLC)	≥ 99.0 %
Chloride Content	18.0 - 19.0 %
Trace Metals (ICP-MS)	≤ 100 ppm total

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