Antimony sulfide is a chemical compound composed of the elements antimony and sulfur. Its chemical formula is Sb2S3, and it typically appears as a yellow or orange solid. This compound is commonly found in nature as the mineral stibnite, which is an important source of antimony. In industry, antimony sulfide is used in various applications, including the production of flame retardants and in the manufacturing of certain types of batteries. It also plays a role in the creation of pigments for paints and plastics, contributing to its versatility in different sectors.