Urethane

Urethane (NH₂*COOCOC₂H₅) is an ester of carbamic acid in an arrangement created when an isocyanate reacts with a hydroxyl group. It is a white crystalline substance produced by the action of ammonia on ethyl carbonate or by heating urea nitrate and ethyl alcohol. It is used as a hypnotic, antipyretic, and antispasmodic. Hence, any ester of carbamic acid. When a polyisocyanate reacts with a polyol (a molecule with multiple hydroxyl groups), the result is polyurethane.

... Enter your search terms Submit search form   Web www.wikilookup.info   This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.