## Calcium nitrate

**Formula**
 
$Ca(NO3)2$

**Synonyms**
 
Norwegian saltpeter

**Description**
 
Calcium nitrate is the calcium salt of nitric acid. It's extremly hygroscopic, much more than Sodium nitrate. Because of that it's not used much in pyrotechnics.

**Sources** 

Calcium nitrate is used as a fertiliser.

**Hazards**
 
O

Calcium nitrate is an oxidiser, store separate from fuels and acids.