Description

Tungsten Trioxide CAS NO 1314-35-8 is a high-purity inorganic compound, serving as a critical precursor material in advanced industrial processes. Its primary value lies in its role as the fundamental starting point for producing tungsten metal and tungsten carbide powders, which are essential for durable alloys and cutting tools. This material is vital for manufacturers in the ceramics, catalyst, and electronics sectors, where its properties enable the development of specialized pigments, gas sensors, and electrochromic devices.

Application

• Tungsten Metal Production: The primary raw material for the reduction to tungsten powder and subsequent alloy manufacturing.
• Catalyst & Chemical Synthesis: Used in selective catalytic reduction (SCR) catalysts and as a catalyst in petroleum refining and organic synthesis.
• Ceramics & Pigments: Imparts yellow colorants in ceramics, paints, and plastics, and is used in the production of fireproof fabrics.
• Electrochromic & Smart Glass: A key component in thin films for smart windows that control light transmission.
• Gas Sensing: Employed in semiconductor gas sensors for detecting toxic or combustible gases.
• X-ray Screens & Phosphors: Utilized in medical imaging and lighting applications.

Basic Information

Product Name	Tungsten Trioxide
CAS No.	1314-35-8
Molecular Formula	WO3
Molecular Weight	231.84 g/mol
Synonyms	Tungsten(VI) Oxide; Tungstic Anhydride; Tungstic Oxide; Yellow Tungsten Oxide; Wolfram Trioxide; WO3; Tungsten Oxide
EINECS	215-231-4

Quality Control

Our Tungsten Trioxide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, particle size distribution, and impurity levels. Our quality protocols are designed to meet the rigorous demands of industrial and technical grade applications, ensuring reliable performance in your processes.

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 dust.

Specification

Item	Specification
Appearance	Yellow crystalline powder
Assay (WO3)	≥ 99.9%
Particle Size (D50)	1-10 µm (customizable)
Moisture Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Identification (XRD)	Conforms to standard

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