Hexamethylenetetramine Is A Heterocyclic Organic Compound With The Formula ( Ch2) 6N4. This White Crystalline Compound Is Highly Soluble In Water And Polar Organic Solvents. It Has A Cage-Like Structure Similar To Adamantane. It Is Useful In The Synthesis Of Other Chemical Compounds, E.G. Plastics, Pharmaceuticals, Rubber Additives. It Sublimes In A Vacuum At 280 ° C.