Isocyanate's the functional group of atoms –N=C=O (1 nitrogen, 1 carbon, 1 oxygen), not to be confused with the cyanate functional group which's arranged as –O–C≡N. Any organic compound which contains an isocyanate group may also be referred to in brief as an isocyanate. An isocyanate may have more than one isocyanate group. An isocyanate that's two isocyanate groups's known as a diisocyanate. Diisocyanates are manufactured for reaction with polyols in the production of… (More on Isocyanate)