Calcium Nitrate
chemical formula: Ca(NO3)2 4H2O
( prills )
Calcium Nitrate is a oxidizer, also known as 'Norwegian Saltpeter'. It is used in some pyrotechnic formulations and also as a fertilizer. When used as a color additive in fireworks, Calcium compounds color flames orange. Keep in a tightly closed container, it has a bad habit of absorbing moisture from the air.