Most calcium ammonium nitrate is used as a fertilizer. Fertilizer grade CAN contains roughly 8% calcium and 21-27% nitrogen. CAN is preferred for use on acid soils, as it acidifies soil less than many common nitrogen fertilizers. It is also used in place of ammonium nitrate where ammonium nitrate is banned.
Calcium ammonium nitrate is used in some instant cold packs as an alternative to ammonium nitrate.
Ammonium cal nitrogen
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