Sodium diethyldithiocarbamate is widely used as a vulcanization accelerator in the rubber industry, enhancing the durability and elasticity of rubber products. It also serves as a chelating agent in water treatment processes, effectively removing heavy metals like copper, lead, and nickel from wastewater. In agriculture, it is employed as a fungicide and pesticide to protect crops from fungal infections and pests. Additionally, it finds application in analytical chemistry as a reagent for the spectrophotometric determination of various metal ions. Its antioxidant properties make it useful in stabilizing certain industrial materials and preventing degradation.