Description

Hafnium Sulfate is an inorganic salt of hafnium, a strategic refractory metal. This compound is valued for its role as a high-purity precursor in advanced materials and chemical synthesis. It is primarily utilized by industries involved in catalysis, specialty ceramics, and nuclear applications where precise material properties are critical.

Application

• Precursor for the synthesis of high-purity hafnium oxide (HfO₂) ceramics and thin films.
• Catalyst and catalyst support in specialized organic synthesis and petroleum refining processes.
• Starting material in nuclear industry applications for control rod alloys and shielding materials.
• Component in the formulation of specialty inorganic pigments and coatings.
• Used in electrochemical and plating research for surface modification.
• Intermediate in the production of other high-value hafnium compounds and coordination complexes.

Basic Information

Product Name	Hafnium Sulfate
CAS No.	15823-43-5
Molecular Formula	Hf(SO₄)₂ • xH₂O
Molecular Weight	Anhydrous: 370.61 g/mol (Contact for hydrated form details)
Synonyms	Hafnium(IV) sulfate; Sulfuric acid, hafnium(4+) salt; Hafnium disulfate; Hafnium sulphate; Hafnium tetrasulfate; HAFNIUM SULFATE; Hafnium(4+) sulfate
EINECS	239-904-4

Quality Control

Our Hafnium Sulfate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical parameters is provided with every shipment to guarantee compliance with your technical 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms to standard
Assay (Hf(SO₄)₂ basis)	≥ 98.0%
Hafnium (Hf) Content	Contact for details
Zirconium (Zr) Content	≤ 2.0%
Chloride (Cl)	≤ 0.01%
Heavy Metals (as Pb)	≤ 0.005%
Water of Hydration	Variable (Contact for specific grade)

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