Overview
Ruthenium dioxide (RuO2) powder in micron particle size is an inorganic compound with significant industrial importance. As a transition metal oxide, it exhibits unique electrical and catalytic properties. The micron-scale powder form ensures uniform dispersion in composite materials, making it ideal for precision applications. Primarily used in advanced technological sectors, RuO2 powder is a staple in electronics manufacturing and chemical processes. Its stability under harsh conditions and compatibility with other materials contribute to its widespread adoption in specialized industries.
Physical and Chemical Properties
RuO2 powder is characterized by its black crystalline appearance and high density. The material maintains structural integrity up to 1200°C, making it suitable for high-temperature applications. Its insolubility in most solvents ensures longevity in corrosive environments. Electrically, RuO2 demonstrates metallic conductivity, a rare trait among metal oxides. This property, combined with its electrochemical stability, makes it invaluable for conductive coatings and electrodes. The micron particle size enhances surface area while maintaining flowability for industrial processing.
Main Applications
The primary use of micron RuO2 powder is in the production of dimensionally stable anodes (DSAs) for chlor-alkali processes. These electrodes demonstrate exceptional durability in chlorine evolution reactions. The powder is also critical in manufacturing thick-film resistors for hybrid integrated circuits. In catalysis, RuO2 serves as an efficient oxidation catalyst for organic synthesis and pollution control applications. Emerging uses include supercapacitor electrodes and pH sensors, leveraging its stable electrochemical performance across wide potential windows.
Safety and Storage
While RuO2 powder is generally stable, proper handling precautions are essential. The fine particulate nature requires dust control measures to prevent inhalation exposure. Nitrile or neoprene gloves should be worn when handling to minimize skin contact. Storage requires airtight containers with desiccants to prevent moisture absorption. The powder should be kept away from strong reducing agents and flammable materials. Spills should be contained and cleaned with appropriate vacuum equipment to avoid dispersion.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO certification for chemical manufacturing. Key specifications to verify include purity level (typically 99.9% or higher), average particle size (commonly 1-10 microns), and surface area (typically 10-50 m²/g). Bulk procurement (1kg+) often provides significant cost savings. Consider suppliers offering customized particle size distributions for specific applications. Quality documentation should include certificate of analysis, material safety data sheet, and traceability information.
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