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  • Diethylamine is a secondary amine with the molecular structure CH3CH2NHCH2CH3.
  • It is a flammable, strongly alkaline liquid. It is miscible with water and ethanol.
  • As a liquid it has a dark brown color due to impurities, however when distilled it is colorless.
  • It is volatile and has a strong unpleasant odor.


  • Diethylamine is manufactured from ethanol and ammonia and is obtained together with ethylamine and triethylamine.
  • Three secondary amines, N-methylaniline, diisopropylamine and diethylamine, were reacted with carbon disulfide in the presence of diethylzinc to yield the corresponding bis (dialkylamidodithio-carbamato) zinc complexes ranging from 10 to 24%.


  • N,N-diethyl-m-toluamide (DEET) is the active ingredient in most topical insect repellent products.
  • Approximately 30% of the U.S. population use DEET-containing products, and domestic usage of DEET is estimated to be 1800 tonnes annually.


  • It is used as a corrosion inhibitor and in the production of rubber, resins, dyes and pharmaceuticals.
  • Nitrogen containing polymers / copolymers were prepared to act for corrosion protection.
  • They are based on glycidylmethacrylate and or diethylamino–ethylmethacrylate.

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