Description

Hafnium Sulfide/ 99.9% CAS NO 18855-94-2 is a high-purity inorganic compound consisting of hafnium and sulfur. This material is valued for its unique semiconductor and optical properties, making it a critical component in advanced material science and electronics. It is primarily sought by researchers and manufacturers in the fields of thin-film deposition, solid-state chemistry, and the development of next-generation electronic devices.

Application

• Precursor material for the chemical vapor deposition (CVD) or atomic layer deposition (ALD) of hafnium sulfide thin films.
• Research and development of two-dimensional (2D) transition metal dichalcogenides (TMDCs) for nanoelectronics and optoelectronics.
• Component in the synthesis of advanced ceramics and refractory materials with high thermal stability.
• Potential use in solid-state lubricants and wear-resistant coatings.
• Starting material for the study of chalcogenide-based semiconductors and their photonic applications.
• Catalyst research in specific petrochemical and hydrodesulfurization processes.

Basic Information

Product Name	Hafnium Sulfide/ 99.9% CAS NO 18855-94-2
CAS No.	18855-94-2
Molecular Formula	HfS2
Molecular Weight	270.66 g/mol
Synonyms	Hafnium(IV) sulfide; Hafnium disulfide; Dihafnium trisulfide; Hafnium sulfide (HfS2); Hafnium sulphide; HFS2; Hafnia sulfurata
EINECS	242-638-9

Quality Control

Our Hafnium Sulfide is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm compliance with the declared 99.9% purity specification. A comprehensive Certificate of Analysis (COA) detailing purity, metallic impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., argon or nitrogen) for long-term storage to prevent oxidation and hydrolysis.

Specification

Item	Specification
Appearance	Dark gray to black powder or crystals
Assay (HfS2)	≥ 99.9 %
X-Ray Diffraction (XRD)	Consistent with HfS2 phase
Metallic Impurities (ICP-MS)	< 1000 ppm total
Particle Size (D50)	Contact for details
Loss on Drying	< 0.5 %

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