Nitrogen Mustard blister agents (HN-1/HN-2/HN-3)

Nitrogen mustards are vesicants and alkylating agents. They are colorless to pale yellow, oily liquids that evaporate slowly. These are three related nitrogen mustard agents: HN-1, HN-2 and HN-3.

Nitrogen mustards are only slightly different from sulfur mustards. Exposure to nitrogen mustards may be more immediately toxic.

Blister agents can be used to produce casualties, restrict the use of terrain, material and installations, as well as to slow movement. Nitrogen mustards are...