Sodium sulfocyanate, also known as sodium thiocyanate, is a chemical compound with the molecular formula NaSCN. It is a white, crystalline solid that is soluble in water and has a variety of industrial applications. It is commonly used in the production of pharmaceuticals, photography, and as a reagent in various chemical reactions. Sodium sulfocyanate is known for its ability to form complexes with metal ions, making it useful in analytical chemistry and as a corrosion inhibitor in various industrial processes.