Hexamine is Hexamine which is a heterocyclic organic compound with the molecular formula (CH2) 6N4. A heterocyclic cyclic compound is compound, which has atoms of at least 2 different elements as members of its rings. A cyclic compound is an organic compound in which a series of atoms are connected to form a loop or ring. Simply speaking, Heterocyclic organic compound are composed of at least one atom of carbon bound to at least one other element, such as oxygen or sulfur. These atoms are arranged in a ring structure. The other names of Hexamine are Methenamine, Urotropine, Tetraazaadamantane, Formin, and Aminoform.