Why is ammonium nitrate economically important?

Answer 1

It is inexpensive and a good source of nitrogen--an important thing for both agriculture and blasting.

Answer 2

Ammonium nitrate is economically important because it is commonly used as a high-nitrogen fertilizer, which helps to promote plant growth. It is also used in the production of explosives, notably in mining and construction industries. Additionally, it is a key component in some types of cold packs and instant cold packs.