piperazine

A colorless crystalline compound, C₄H₁₀N₂, used as a hardener for epoxy resins, an antihistamine, and an anthelmintic.

A deliquescent crystalline base, (C₂H₄)₂(NH₂)₂ or diethyl-enediamine, which is made by the action of alcoholic ammonia on ethylene chlorid, and in other ways. It melts at 104° C. It is a valuable solvent for uric acid and is used in medicine for that purpose.

A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.

A saturated heterocyclic compound, C4H10N2, containing two nitrogen atoms in a six-membered ring; it is used as an anthelmintic.

Any derivative of this compound

vermifuge used to treat infestations by roundworms or pinworms