Used extensively in agriculture as a key component of fertilizers to enhance crop growth by providing essential nitrogen. Also employed in water treatment processes to control odor and inhibit the growth of bacteria. In the food industry, it serves as a preservative, particularly in curing meats to maintain color and prevent spoilage. Additionally, it plays a role in the production of explosives and pyrotechnics due to its oxidizing properties. In laboratories, it is utilized as a reagent for various chemical analyses and synthesis processes.