Strontium chloride hexahydrate (SrCl₂·6H₂O) is a hydrated alkaline earth metal chloride. On γ-irradiation at 77°K, it affords a radical having e.s.r. parameters resembling with HO₂. Its chlorine electric field gradient (EFG) and chemical shift (CS) tensors have been evaluated by employing solid-state 35/37Cl NMR spectroscopy.

The product was used as a source of Sr²⁺ ions, to evaluate the working of a Flow Electrolysis Cell used in Rapid Ion Transfer (FECRIT) electrochemical solvent extraction method. Supernatant solutions of SrCl₂ may also be used as supplier of Sr to prepare fibrous strontium substituted hydroxyapatite, a potential reinforcement for biocomposites.