Description

Cobalt Tungsten Oxide CAS NO 12640-47-0 is an inorganic mixed metal oxide compound with significant catalytic and electrochemical properties. This material is valued for its role in advanced industrial processes, particularly where high-performance and stability are required. It serves as a critical component for manufacturers and researchers in sectors such as energy storage, catalysis, and specialty ceramics.

Application

• Electrocatalyst for Water Splitting: Used as an efficient, non-precious metal catalyst for the oxygen evolution reaction (OER) in hydrogen production.
• Lithium-Ion Battery Cathode Material: Employed in the development of high-capacity, stable cathode materials for next-generation batteries.
• Chemical Sensor Fabrication: Acts as a sensitive layer in gas sensors for detecting specific industrial or environmental analytes.
• Heterogeneous Catalysis: Serves as a catalyst or catalyst support in various organic synthesis and oxidation reactions.
• Pigment and Coating Additive: Provides unique color and functional properties in high-temperature stable pigments and coatings.
• Photocatalytic Applications: Investigated for use in photocatalytic degradation of pollutants under light irradiation.

Basic Information

Product Name	Cobalt Tungsten Oxide
CAS No.	12640-47-0
Molecular Formula	CoWO₄ / CoO₄W
Molecular Weight	306.77 g/mol
Synonyms	Cobalt(II) tungstate; Cobalt Wolframate; Tungstic acid, cobalt(2+) salt; Cobaltous tungstate; Cobalt tungsten oxide (CoWO₄); Wolframic acid, cobalt salt; Cobalt monotungstate
EINECS	235-759-9

Quality Control

Our Cobalt Tungsten Oxide is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis, including assay, phase purity by XRD, and trace metal analysis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

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 in a desiccated environment to prevent caking or degradation.

Specification

Item	Specification
Appearance	Gray to black powder
Identification (XRD)	Conforms to CoWO₄ structure
Assay (as CoWO₄)	≥ 99.0%
Particle Size (D50)	< 10 µm
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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