Physical Properties
Chemical Formula | (CaNO3)2.4H2O |
Appearance | White Crystals |
Melting Point | 45°C |
Solubility | 121gms in 100g of water |
pH | 5 – 7 (aqueous soln) |
Density | 1.8 |
H.S. Code | 28342990 |
CAS No | 13477 – 34 – 4 |
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Calcium Nitrate Ca(NO3)2 is an inorganic salt and is hygroscopic due to moisture absorbing property. It is a common ingredient of fertilizers to prevent calcium deficiency of crops and has several applications in daily life. It is also called Norwegian saltpetre. It has its poisonous effects; intake of an excess amount may prove fatal. It is a nitrate salt of calcium. It is usually produced in granulated form. It is a hygroscopic solid as reacts with moist air.
It is used in numerous industrial applications like:-
Calcium Nitrate is formed when limestone is added to nitric acid. The resultant then, neutralizes to ammonia. It is now a day, produced as by-product from nitro phosphate manufacture.
Chemical Formula | (CaNO3)2.4H2O |
Appearance | White Crystals |
Melting Point | 45°C |
Solubility | 121gms in 100g of water |
pH | 5 – 7 (aqueous soln) |
Density | 1.8 |
H.S. Code | 28342990 |
CAS No | 13477 – 34 – 4 |
Parameters | Specification |
Assay | 65.00% Min. |
Assay Calcium Nitrate (CaNo3)2 | 4.0 – 10.0 % |
Calcium (as Ca) | 1.0% Max. |
Nitrogen (as N) | 2.0% Max. |
Water Insoluble Matter | 0.80 g/cm3 Min. |
Chloride (as Cl) | 5.5 – 7.0 % Max. |
Sulphates (as SO4) | 9.0 – 12.0 |
Iron (as Fe) | 20.00 % Max. |
Heavy metals (Pb, Cd, As) | 3.0 % Max. |
pH of 5% aq. Soln. | 4% Max. |
Particle Size |
Particle Size Distribution | |
d(0.1) | 233.9 μm |
d(0.5) | 670.8 μm |
d(0.9) | 1148.0 μm |