Ferric Ammonium Citrate
Ferric Ammonium Citrate is a dark green to black crystalline or granular inorganic compound composed of iron, ammonium ions, and citrate ions. It is a complex salt of citric acid with ferric iron (Fe³⁺) and ammonium. This compound is highly soluble in water, forming a greenish solution, and is widely utilized as a source of iron in various chemical, pharmaceutical, photographic, and food applications. It acts as a mild oxidizing agent and an iron supplement, valued for its bioavailability and ease of incorporation into formulations. Ferric Ammonium Citrate is typically available in different formulations distinguished by their water and ammonium content, such as green and brown types.