BIT is widely used as a biocide in industrial and consumer products to prevent microbial growth. It is commonly added to water-based paints, adhesives, and coatings to protect against bacteria and fungi during storage and in the applied product. BIT is also effective in cooling water systems, where it controls microbial contamination and prevents biofilm formation. Due to its stability at high pH and good compatibility with various formulations, it is preferred in latex emulsions and construction chemicals. Additionally, BIT finds use in personal care products as a preservative, offering protection against microbial spoilage in shampoos, lotions, and cosmetics. Its low toxicity and broad-spectrum activity make it suitable for multiple preservation applications.