Calcium nitrate

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Calcium nitrate
ChEBI
DrugBank
KEGG
PubChem {{{value}}}
RTECS number EW2985000
SMILES {{{value}}}
Ca(NO3)2
Molar mass 164.088 g/mol (anhydrous)
236.15 g/mol (tetrahydrate)
Appearance colorless solid
hygroscopic
Density 2.504 g/cm3 (anhydrous)
1.896 g/cm3 (tetrahydrate)
Melting point Template:Chembox CalcTemperatures
Boiling point Template:Chembox CalcTemperatures
Solubility soluble in ammonia
almost insoluble in nitric acid
Solubility in ethanol 51.4 g/100 g (20 °C)
62.9 g/100 g (40 °C)[1]
Solubility in methanol 134 g/100 g (10 °C)
144 g/100 g (40 °C)
158 g/100 g (60 °C)[1]
Solubility in acetone 16.8 g/kg (20 °C)[1]
Acidity (pKa) 6.0
cubic (anhydrous)
monoclinic (tetrahydrate)
Hazards
NFPA 704
0
2
1
 
R-phrases R22, Template:R41
Flash point Non-flammable
Related compounds
Other anions Calcium sulfate
Calcium chloride
Other cations Magnesium nitrate
Strontium nitrate
Barium nitrate
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Calcium nitrate, also known as Norwegian saltpeter, is a chemical compound. Its chemical formula is Ca(NO3)2. It contains calcium and nitrate ions.

Properties

Calcium nitrate is a colorless solid. It is an oxidizing agent. It absorbs water from the air. It decomposes to make nitrogen dioxide and calcium oxide when heated.

Preparation

Calcium nitrate is made by reacting calcium hydroxide or calcium carbonate with nitric acid. It is made when nitric acid reacts with calcium phosphate. It can be made by reacting ammonium nitrate and calcium hydroxide.

Uses

Calcium nitrate is used in fertilizers to add nitrogen to the soil. It can be complexed with urea to make a different nitrogen fertilizer.

References

  1. 1.0 1.1 1.2 Anatolievich, Kiper Ruslan. "Properties of substance: calcium nitrate". Retrieved 2015-09-09.

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