硫酸镉，化学式CdSO₄，常为水合物 3CdSO₄·8H₂O 的形式。

无色无气味单斜结晶，溶于水，不溶于乙醇、乙醚和乙酸。易风化。剧毒！

Cadmium sulfate is the name of a series of related inorganic compounds with the formula CdSO₄·xH₂O. The most common form is the monohydrate CdSO₄·H₂O, but two other forms are known CdSO₄·8/3H₂O and the anhydrous salt (CdSO₄). All salts are colourless and highly soluble in water.