ethylenediamine

noun

eth·​yl·​ene·​di·​amine ˌeth-ə-ˌlēn-ˈdī-ə-ˌmēn  -dī-ˈam-ən 

: a colorless volatile liquid base C₂H₈N₂ that has an ammoniacal odor and is used chiefly as a solvent, in organic synthesis, and in medicine to stabilize aminophylline when used in injections