Benzyl selenocyanate is primarily utilized in organic synthesis as a versatile reagent. It is commonly employed in the preparation of various selenium-containing compounds, which are valuable intermediates in pharmaceutical and agrochemical research. The compound is particularly useful in the synthesis of selenocyanates and selenides, which exhibit potential biological activities, including antioxidant and anticancer properties. Additionally, it serves as a key building block in the development of novel organic molecules for material science applications, such as the creation of selenium-based polymers or coatings with unique properties. Its role in facilitating selective chemical reactions makes it a valuable tool in advanced synthetic chemistry.