Wikipedia
Cadmium sulfate
Cadmium sulfate is the name of a series of related inorganic compounds with the formula CdSO·xHO. The most common form is the monohydrate CdSO·HO, but two other forms are known CdSO·8/3HO and the anhydrous salt (CdSO). All salts are colourless and highly soluble in water.