Stannous oxide is a chemical compound composed of tin and oxygen, with the formula SnO. It appears as a white or light yellow powder and is primarily used in various industrial applications, including ceramics, glass, and as a reducing agent in chemical reactions. In addition to its industrial uses, stannous oxide is also utilized in the production of tin compounds and as a catalyst in certain processes. Its properties make it valuable in electronics and as a pigment in paints and coatings, contributing to its versatility in different fields.