Description

Trithiotungstic Acid CAS NO 19452-55-2 is an inorganic sulfur-containing tungsten compound with significant catalytic and material science applications. This specialized chemical serves as a crucial precursor for synthesizing advanced tungsten sulfide-based materials and catalysts. It is essential for researchers and manufacturers in the fields of heterogeneous catalysis, solid lubricants, and semiconductor material development.

Application

• Catalyst Precursor: Used in the synthesis of hydrotreating and hydrocracking catalysts for the petrochemical industry.
• Solid Lubricant Synthesis: A key starting material for producing tungsten disulfide (WS₂), a high-performance dry lubricant.
• Semiconductor Research: Employed in the development of thin-film semiconductors and photovoltaic materials.
• Chemical Vapor Deposition (CVD): Acts as a source material for depositing tungsten sulfide coatings.
• Analytical Reagent: Utilized in specific analytical chemistry procedures and as a laboratory reagent.
• Material Science: Investigated for use in creating novel chalcogenide glasses and inorganic polymers.

Basic Information

Product Name	Trithiotungstic Acid
CAS No.	19452-55-2
Molecular Formula	H₂S₃W (commonly represented as H₂WS₃ or related polymeric forms)
Molecular Weight	Contact for details
Synonyms	Tritungsten trisulfide hydrate; Tungsten trisulfide hydrate; Tungstic acid, trithio-; Tungsten(VI) trisulfide hydrate; Hydrogen trithiotungstate; WS₃ hydrate; Thiometallate precursor
EINECS	Contact for details

Quality Control

Our Trithiotungstic Acid is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance for your specific application needs. A comprehensive Certificate of Analysis (COA) detailing key parameters 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 kept under an inert atmosphere such as argon or nitrogen for long-term storage to prevent oxidation and degradation.

Specification

Item	Specification
Appearance	Yellow to orange-brown solid or powder
Identification (IR)	Conforms to standard
Tungsten (W) Content	Contact for details
Sulfur (S) Content	Contact for details
Moisture (Loss on Drying)	< 2.0%
Heavy Metals (as Pb)	< 20 ppm
Solubility	Partially soluble in alkaline solutions

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