Used in catalysis, glass coloring, and metal surface coatings. In biochemistry, it is employed as a protein tyrosine phosphatase inhibitor, making it valuable in enzyme and cellular signaling studies. It also serves as a corrosion inhibitor and oxidation catalyst.

Toxic if inhaled or ingested; may cause respiratory and gastrointestinal irritation. Handle with gloves, goggles, and fume extraction.

Supplied in 25 kg PE-lined paper bags or fiber drums. Store in a cool, dry, and sealed area away from acids and organic materials.