admium Sulfate is a whitish, crystalline, inorganic compound that forms toxic fumes of cadmium oxides when heated.

| Chemical formula | CdSO4 or CdO4S |
| Molecular weight | 208.47 g/mol |
| Chemical names | Sulfuric acid, 10124-36-4 Cadmium sulphate, Cadmium monosulfate, cadmium salt (1:1) |
| Density | 4.691 g/cm3 (anhydrous) |
| Boiling point | decomposes to basic sulfate and then the oxide |
| Melting point | 1,000 °C |
| Crystal structure | orthorhombic |