Preparation of calcium standard solutions; electrolyte. Calcium Chloride Dihydrate is used in the preparation of bisphosphonates used in attacking cancer cells.||CAS No:|10035-04-8||Molecular Formula:|CaCl2·2H2O||Molecular Weight:|147||Purity:|99-105%||Appearance:|White crystals||Solubility:|Freely soluble in water, soluble in ethanol (96%)||pH (5%):|4.5-8.5||Heavy Metals (Pb):|≤0.005% ||Sulfate (SO42-):|≤0.01%||Ammonium (NH4):|≤0.005%||Sodium (Na):|≤0.02% ||Potassium (K):|≤0.01% ||Magnesium (Mg):|≤0.005% ||Iron (Fe):|≤0.001% ||Strontium (Sr):|≤0.1%||Barium (Ba):|≤0.005%||Oxidizable Substances:|≤0.003%||Insoluble Material:|≤0.01% ||Storage and Stability: |Store at RT. Stable for 12 months after receipt.