Ferric Ammonium Citrate Brown is Inorganic compound. Ferric Ammonium Citrate Brown is a Reddish Brown crystalline powder with slight Ammonia odour. It is freely soluble in water. The product should be stored in tightly closed container away from the source of heat & light. Ferric Ammonium Citrate Brown is used as a source of Iron in treatment of Iron deficiency in Humans. It is also used as a nutrient in food products.