Description

Tantalum Sulfide CAS NO 12143-72-5 is an inorganic compound of tantalum and sulfur, typically appearing as a dark crystalline or powder solid. This material is valued for its unique electrical and catalytic properties, making it a critical component in advanced material science and electronics. It is primarily sought by manufacturers and researchers in the semiconductor, solid-state lubricant, and heterogeneous catalysis industries for developing next-generation devices and processes.

Application

• Solid-State Lubricants: Used as a high-performance dry lubricant in extreme environments due to its layered structure and thermal stability.
• Semiconductor Research: Investigated as a precursor or component for thin-film transistors and other two-dimensional (2D) electronic materials.
• Catalysis: Serves as a catalyst or catalyst support in specific hydrodesulfurization and hydrogenation reactions.
• Energy Storage: Explored as an electrode material or additive in lithium-sulfur and other advanced battery systems.
• Photocatalysis: Studied for potential use in photocatalytic water splitting and environmental remediation applications.
• Chemical Vapor Deposition (CVD): Employed as a source material for depositing tantalum sulfide thin films.

Basic Information

Product Name	Tantalum Sulfide
CAS No.	12143-72-5
Molecular Formula	TaS2 (most common)
Molecular Weight	245.08 g/mol (for TaS2)
Synonyms	Tantalum(IV) sulfide; Tantalum disulfide; Dithioxotantalum; Tantalum sulphide; TaS2; Tantalum sulfide (TaS2); Tantalum monosulfide (TaS); EINECS 235-253-7
EINECS	235-253-7

Quality Control

Our Tantalum Sulfide is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analysis to ensure consistency and meets high-purity standards suitable for research and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as purity, particle size, and metallic impurity content.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and easily oxidized nature, this material should be stored under an inert atmosphere (e.g., argon or nitrogen) in a cool, dry place. Recommended storage temperature is 15-25°C. Minimize exposure to air and moisture during handling to preserve product integrity.

Specification

Item	Specification
Appearance	Dark gray to black powder
Identification (XRD)	Conforms to structure
Assay (TaS2 basis)	≥ 99.9%
Particle Size (D50)	< 10 µm (or as specified)
Moisture Content (KF)	< 0.5%
Trace Metals (ICP-MS)	Contact for details

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