Description

Tungsten (IV) Oxide (WO₂) is a critical inorganic compound valued for its unique electrical and catalytic properties. This material is essential for applications demanding precise control over conductivity and surface reactivity. It serves as a fundamental component in advanced material science, electronics, and heterogeneous catalysis, making it indispensable for researchers and manufacturers in these high-tech fields.

Application

• Catalyst and Catalyst Support: Used in petroleum refining, hydrodesulfurization, and other industrial catalytic processes.
• Electrochromic and Smart Glass: A key material in the development of windows and displays that change opacity with applied voltage.
• Gas Sensors: Employed in semiconductor-based sensors for detecting gases like NOx, H₂S, and ammonia due to its sensitivity.
• Electrode Material: Investigated for use in batteries, supercapacitors, and fuel cells.
• Ceramic and Glass Manufacturing: Acts as a colorant and can modify the thermal and electrical properties of ceramics.
• Chemical Vapor Deposition (CVD): Serves as a precursor for depositing tungsten or tungsten carbide thin films and coatings.
• Photocatalysis: Studied for applications in water splitting and environmental remediation under visible light.
• Research & Development: A fundamental material for academic and industrial research in solid-state chemistry and physics.

Basic Information

Product Name	Tungsten (IV) Oxide
CAS No.	12036-22-5
Molecular Formula	WO₂
Molecular Weight	215.84 g/mol
Synonyms	Tungsten Dioxide; Tungsten(IV) Oxide; Dioxotungsten; Brown Tungsten Oxide; WO₂; Tungsten Oxide (WO₂)
EINECS	234-842-7

Quality Control

Our Tungsten (IV) Oxide is produced and tested under strict quality management protocols. Each batch undergoes comprehensive analysis to ensure consistency in purity, particle size, and chemical composition. Certificates of Analysis (COA) detailing key parameters are provided to guarantee the material meets your specific research or production 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). Keep the container sealed to minimize exposure to atmospheric moisture and contaminants.

Specification

Item	Specification
Appearance	Brown to bronze crystalline powder
Identification (XRD)	Conforms to WO₂ structure
Assay (WO₂)	≥ 99.0%
Particle Size (D50)	1-10 µm (or as requested)
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.