Description

Hafnium Oxychloride Hydrate is a versatile inorganic salt and a key precursor material in advanced manufacturing. Its primary value lies in providing a soluble and reactive source of high-purity hafnium for the synthesis of ceramics, coatings, and other functional materials. This compound is essential for industries focused on high-performance optics, electronics, and specialized catalysis, where precise material properties are critical. The product is supplied as a high-purity material to meet the stringent demands of these technical applications.

Application

• Ceramic Precursor: A primary starting material for the synthesis of hafnium oxide (HfO₂) ceramics and thin films, used in high-k dielectrics for semiconductors and protective coatings.
• Optical Coating Deposition: Serves as a feedstock in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create high-refractive-index and anti-reflective coatings for precision optics.
• Catalyst Synthesis: Used in the preparation of specialized catalysts for organic synthesis and petroleum refining processes.
• Specialty Glass Manufacturing: Acts as an additive to modify the refractive index and increase the density and durability of optical and radiation-shielding glasses.
• Research & Development: Employed in laboratories for the development of new hafnium-based compounds, nanomaterials, and metal-organic frameworks (MOFs).
• Zirconium Substitute: Used in applications similar to zirconium compounds but where the higher neutron absorption cross-section of hafnium is required, such as in nuclear control rod materials.

Basic Information

Item	Details
Product Name	Hafnium Oxychloride Hydrate
CAS No.	15461-28-6
Molecular Formula	HfOCl₂·xH₂O
Molecular Weight (Anhydrous Basis)	265.38 g/mol
Synonyms	Hafnium Chloride Oxide Hydrate; Hafnium Dichloride Oxide Hydrate; Oxychlorohafnium Hydrate; Hafnyl Chloride Hydrate; HfOCl₂ Hydrate; Basic Hafnium Chloride; Hafnium(IV) Oxychloride Hydrate
EINECS	Contact for details

Quality Control

Our Hafnium Oxychloride Hydrate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Production adheres to relevant industry standards, with rigorous in-process and final release testing. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical specifications is provided with each shipment and is available upon request.

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). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent hydrolysis and caking. Keep away from incompatible materials such as strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms
Assay (as HfOCl₂·8H₂O)	≥ 99.0%
Hafnium (Hf) Content	Contact for details
Zirconium (Zr) Content	≤ 2.0%
Chloride (Cl) Content	Contact for details
Insoluble Matter	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Iron (Fe)	≤ 50 ppm

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