Used primarily as a sulfur donor in the vulcanization of rubber, enhancing cross-linking efficiency and improving heat resistance and aging properties of rubber products. Commonly employed in the production of tires, hoses, belts, and other technical rubber goods requiring high durability. Also utilized in some agricultural formulations as a fungicide due to its biocidal properties. Its high sulfur content makes it effective in applications where extended scorch safety and controlled curing are required.