1,2-diaminoethane (ethylenediamine)
A colourless fuming liquid that smells of ammonia, H
2
NCH
2
CH
2
NH
2
; b.p. 116°C. It is made from ammonia and 1,2-dichloroethane, which are heated under pressure with a copper(I) chloride catalyst. In air it absorbs water and carbon dioxide ...