Overview
Yttrium Bromide Anhydrous (YBr3) is an inorganic compound composed of yttrium and bromine. It is a key material in advanced optics and catalysis due to its unique properties. As a rare-earth halide, it is often used in research and industrial applications requiring high-purity reagents. The compound is synthesized through direct reaction of yttrium oxide with hydrobromic acid or ammonium bromide. Its anhydrous form is particularly valued for moisture-sensitive applications where hydrate formation could compromise performance.
Physical and Chemical Properties
Yttrium Bromide Anhydrous appears as a white crystalline solid with a high melting point of 904°C. The compound is hygroscopic, readily absorbing moisture from air to form hydrates. This characteristic necessitates careful handling and storage under inert conditions. Its crystalline structure belongs to the orthorhombic system. In solution, YBr3 dissociates into Y3+ and Br- ions, making it useful in various chemical reactions. The compound exhibits good solubility in water and polar organic solvents, with solubility decreasing in less polar media.
Main Applications
In the optical industry, YBr3 serves as a precursor for deposition of yttrium-containing thin films used in specialized coatings and laser systems. Its high refractive index makes it valuable for creating optical components with specific light manipulation properties. The compound also finds use as a catalyst in organic synthesis, particularly in reactions requiring Lewis acid catalysts. Research laboratories employ YBr3 in materials science studies and as a starting material for other yttrium compounds. Emerging applications include use in luminescent materials and as a dopant in various crystalline matrices.
Safety and Storage
Yttrium Bromide Anhydrous requires careful handling due to its irritant properties. Direct contact with skin or eyes may cause irritation, and inhalation of dust should be avoided. Appropriate personal protective equipment including gloves, goggles, and lab coat is mandatory when working with this compound. For storage, maintain in original sealed containers under inert gas (argon or nitrogen) in a dry environment. Desiccators or glove boxes are recommended for long-term storage. The compound should be kept away from moisture and incompatible materials such as strong oxidizing agents.
B2B Procurement Guide
When sourcing Yttrium Bromide Anhydrous, prioritize suppliers with established quality control systems and proper documentation. Key specifications to verify include purity level (typically 99.9% or higher), particle size (if relevant), and moisture content. Packaging should ensure product integrity during transport and storage. Consider ordering in appropriate quantities based on usage rate to minimize storage time. Technical support from the supplier regarding handling and application-specific recommendations can be valuable. For research-grade material, request certificates of analysis documenting trace metal impurities and other quality parameters.
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