Ethylenediamine can be prepared by reacting 1,2-dichloroethane with ammonia, or by reacting 1,2-dibromoethane with ammonia. Ethylene diamine is an important chemical raw material and reagent widely used in chain extenders, emulsifiers, pesticides, ion exchange resins, etc. It is also a curing agent for epoxy resins and a good solvent for casein, albumin, and cordyceps. Ethylenediamine is corrosive and can irritate the skin and mucous membranes, causing allergies. High concentrations of vapor can cause asthma, and in severe cases, can lead to fatal poisoning.

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