Scandium(III) phosphate

Scandium phosphate is an inorganic compound of scandium, with the molecular formula.
It also occurs naturally as the rare mineral pretulite.

Preparation

It can be prepared by heating scandium oxide and dilute phosphoric acid for at least a week at 400°C, yielding anhydrous scandium phosphate. Lower temperatures produce hydrates and mixtures of hydrates.

Properties

Anhydrous scandium phosphate crystalizes in the zircon structure.