👉 Sulfoselenide is a colorless chemical compound that is formed when sulfur is added to an element with a metal ion. It has a grayish-brown appearance and is highly reactive, forming salts or compounds upon exposure to oxygen. The term "sulfoselenide" refers to the chemical formula [SeO4]3-, which is used in various materials such as ceramics, paints, and dyes. The compound has been used for centuries in various industries due to its unique