What is iron 3 chloride?

Iron(III) chloride, also known as ferric chloride, is a chemical compound with the formula FeCl3. It is a brownish-red solid that is highly soluble in water and has a melting point of 306 degrees Celsius. Iron(III) chloride is used in a variety of applications, including as a catalyst in organic synthesis, as an etchant for printed circuit boards, and as a coagulant in water treatment. It is also used in the production of pigments, dyes, and inks. Iron(III) chloride is corrosive and should be handled with care due to its reactivity.