Yttrium(III) sulfate is an inorganic compound with the formula Y2(SO4)3.

The most common form is the anhydrate and octahydrate.

Yttrium sulfate can form double salts such as MY(SO4)2[1][2][3] and M3Y(SO4)3:[4][5][6] Yttrium(III) sulfate can be prepared using either corresponding oxide, hydroxide, or carbonate.

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