Iron(III) iodide, also known as ferric iodide, is a chemical compound composed of iron and iodine. Its chemical formula is FeI3, indicating that each molecule contains one iron atom and three iodine atoms. This compound typically appears as a dark brown or black solid and is used in various applications, including as a reagent in chemical reactions. In terms of its properties, iron(III) iodide is soluble in water and can release iodine gas when heated. It is important in the field of inorganic chemistry and can be utilized in the synthesis of other compounds. Safety precautions should be taken when handling it, as it can be harmful if ingested or inhaled.