Formula: Ca(NO₃)₂·4H₂O CAS: 13477-34-4 EC No.: 233-332-1 M (Molar Mass): 236.15 g/mol D (Density): 1.82 g/cm³ mp (Melting Point): 42.7°C bp (Boiling Point): 132°C (decomposes)

Assay (Titration): ≥ 99.0 % Appearance: White deliquescent crystals. Identification (IR): Passes test. pH (5% solution): 4.0-6.0 Chloride (Cl): ≤ 0.003 % Sulfate (SO₄): ≤ 0.005 % Heavy Metals (as Pb): ≤ 5 ppm Iron (Fe): ≤ 0.0005 % Ammonium (NH₄): ≤ 0.003 % Loss on Drying: 29.5-30.5 % Water insoluble matter: ≤ 0.01 %