Calcium hydroxide 1305-62-0 for environment protection 90% 1, Best quality & competitive price 2, ISO facility Calcium hydroxide 1305-62-0 for environment protection 90%1, Best quality & competitive price2, ISO facility Molecular Weight: 74.096Properties: soft white powder, highly alkaline, highly hygroscopic, density: 2.24, bulk density: 0.4-0.6, soluble in acids, insoluble in water, insoluble ...