Ethyl isocyanateEthyl isocyanate is an organic chemical compound of carbon, hydrogen, nitrogen and oxygen with the molecular formula. The compound belongs to the group of isocyanates. Its structural formula is.SynthesisEthyl isocyanate can be obtained by reacting triphosgene with ethylamine hydrochloride in xylene.Physical propertiesEthyl isocyanate is a highly flammable, volatile, colorless liquid with a pungent odor that decomposes in water.UsesThe compound is used in the production of pharmaceuticals and pesticides.