morpholin
Morpholine is a heterocyclic organic compound with the chemical formula O(CH2CH2)2NH. It is a colorless, hygroscopic liquid with a characteristic amine-like odor. Morpholine is miscible with water and many organic solvents. Its structure consists of a six-membered ring containing both an ether group and a secondary amine group.
Morpholine is a weak base, similar to other secondary amines. It reacts with acids to form salts.
Industrially, morpholine is synthesized by the dehydration of diethanolamine in the presence of a strong acid