Used primarily as a space deodorant in products like mothballs and toilet blocks to control odors and repel insects. It is also employed in the manufacturing of polyphenylene sulfide resin, a high-performance plastic used in various industrial applications. Additionally, it serves as an intermediate in the synthesis of other chemicals, including dyes and pharmaceuticals. Its fumigant properties make it effective in protecting stored goods from pests. However, its use is regulated in some regions due to potential health and environmental concerns.