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What (who) is urethan - definition
WIKIMEDIA DISAMBIGUATION PAGE
Urethane (disambiguation); Urethan
urethane
['j??r??e?n, j?'r??e?n]
¦ noun
1. Chemistry ethyl carbamate, a synthetic crystalline compound which is used to make pesticides and fungicides.
2. short for polyurethane.
Origin
Urethane
·noun A white crystalline substance, NH2·CO·OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.
II. Urethane ·add. ·noun A white crystalline substance, NH2·COOC2H5, 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.
Wikipedia
Urethane
Urethane may refer to:
- Ethyl carbamate, a chemical compound which is an ester of carbamic acid
- Polyurethane, a polymer composed of a chain of organic units joined by carbamate (urethane) links
- Carbamate, an organic compound derived from carbamic acid
