Calcium Hypophosphite Molecular Formula: Ca(H2PO2)2 Molecular: 170.07 Property: White crystalline powder, soluble in water, insoluble in alcohol, with the solubility of 16.7g/100g water. Its water solution appears weak acid. Specification: Item Specification calcium hypophosphite (Ca(H2PO2)2) % ≥ 98.0 Lead (Pb) % ≤ 0.001 Arsenic (As) % ≤ 0.0004 Barium (Ba) % ≤ 0.005 Acidity Qualified Water Insoluble substance % ≤ 0.5