Strontium hydroxide high purity (Sr(OH)2) with 99.5% min. is used for the manufacture ... salts and reagents. Strontium Hydroxide High Purity Chemical formula: Sr(OH)2 Molecular weight: 121.63 Density: 1.90 g/cm3 ... solution, slightly soluble in cold water, etc. Typical Analysis: Sr(OH)2·8H2O 99.5% min. BaO 0.03% max. CaO ...