What are the main uses of Iron(2+) dichloride (CAS: 7758-94-3)?

Iron(2+) dichloride finds applications in pharmaceuticals as a precursor for iron-containing drugs, in industrial processes as a catalyst, and in the food industry as an antioxidant. It is also used in research for analytical chemistry and in the production of pigments, dyes, and other iron compounds. Its versatility makes it a key reagent in various chemical reactions.