Fe2(SO3)3, also known as iron(III) sulfite, is a compound of iron and sulfite. This compound has a molecular weight of 399.88 g/mol. Fe2(SO3)3 is formed from two iron atoms and three sulfite atoms. It has a distinctive block structure with the main ions being Fe3+ and (SO3)2-.
Fe2(SO3)3 is a colorless and odorless solid. Its pH level depends on environmental conditions, but it usually has a neutral pH. The chemical properties of Fe2(SO3)3 are primarily exhibited through reactions with metals, acids, non-metals, and salts.
Iron(III) sulfite can be prepared in the laboratory through the reaction between iron atoms and sulfite. However, the industrial production of Fe2(SO3)3 requires more complex procedures and has not been widely carried out.
The common chemical reactions of Fe2(SO3)3 are mainly related to redox reactions. Specific examples of this reaction may include reactions with metals such as Cu, Mg; reactions with acids such as HCl, H2SO4; reactions with non-metals such as Cl2, O2 and reactions with salts such as NaCl, KI.
Iron(III) sulfite is primarily used in the papermaking, dyeing and printing industries, and in other applications such as an antioxidant in beer and wine production.