What are the physical and chemical properties of Sodium tetrachloroplatinate(2-) hydrate (2:1:1) (CAS: 207683-21-4)?

Sodium tetrachloroplatinate(2-) hydrate (2:1:1) is a crystalline compound with a molecular weight of approximately 401.95 g/mol. It is slightly soluble in water and has a limited solubility in organic solvents. This compound is relatively stable under neutral and slightly acidic conditions but can react with reducing agents. It is primarily used in catalytic applications and electronic devices.