The product is a mixture of monohydrate and dihydrate.

[4] Cadmium selenate dihydrate is a colorless solid.

At 100 °C, the dihydrate releases water of crystallization to form cadmium selenate monohydrate.

[1] The monohydrate is monoclinic with space group P21/c (no.

14),[4] while the dihydrate is orthorhombic, with space group Pbca (no.