Disclosed are halogenated diethyltoluenediamines of formula
wherein either R
1
is an amino group and R
2
is chlorine or bromine, or R
2
is an amino group and R
1
is chlorine or bromine, and isomeric mixtures thereof. The halogenated diethyltoluenediamines of formula I are useful as chain extenders for polyurethanes and hardeners for epoxy resins having a relatively long gel time.