The chemical cousins of the rather innocuous ammonium carbonate monohydrate, including the toxic ammonium oxalate and the explosive ammonium chlorate and ammonium nitrate have been much better ...

Ammonium nitrate has the chemical formula NH₄NO₃. Produced as small porous pellets, or “prills”, it’s one of the world’s most widely used fertilisers.

Ammonium nitrate has the chemical formula NH₄NO₃. Produced as small porous pellets, or “prills”, it’s one of the world’s most widely used fertilisers.