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.
The compound was discovered by Aleksandr Butlerov in 1859
Methenamine hippurate
Aluminium nicotinate
Calcium arsenate
Sodium monofluorophosphate
Bicisate dihydrochloride
Methenamine mandelate
Echothiophate Iodide
Eritrityl tetranitrate