Calcium nitrate hydrated extra pure
Description
Calcium nitrate hydrated extra pure refers to high-purity calcium nitrate tetrahydrate (Ca(NO₃)₂·4H₂O), a colorless, deliquescent crystalline solid meeting analytical reagent (AR) standards with minimal impurities like heavy metals, chlorides, or sulfates.
Properties
It has a melting point of about 42–44°C, density around 1.86 g/cm³, and exceptional water solubility (121–129 g/100 mL at 20°C); pH of 5% solution is 5.0–9.0, and it decomposes above 500°C to CaO, NO₂, and O₂.
Production and purity
Prepared by neutralizing nitric acid with calcium carbonate or hydroxide, followed by evaporation and crystallization; extra pure grades ensure ≥98% assay, low iron (≤0.001%), and clarity in solution for lab reliability.
Main uses
Employed as a fertilizer component, lab reagent for calcium/nitrate analysis, concrete accelerator/corrosion inhibitor, and in wastewater treatment; its high purity suits precise applications like plant nutrition studies or pharmaceutical intermediates.
Specifications
| Model No. | N-CH1519 |
|---|
