Ammonium nitrate is largely a white crystalline powder that's readily soluble in water. It is used in creating artificial fertilizers and explosives. Ammonium nitrate is a chemical compound made up of 2 nitrogen atoms, 3 oxygen atoms, and 4 hydrogen atoms. So, the simplified molecular formula of this compound is given as N2H4O3. It also consists of 2 ions where 1 is a cation ammonium (NH4+) ion and the other is an anion which is a nitrate (NO3–) ion. These ions are held together by an ionic bond. It has the chemical formula NH4NO3.