Dysprosium(III) hydroxide is an inorganic compound with the chemical formula Dy(OH)3.

Chemical properties Dysprosium(III) hydroxide reacts with acids and produces dysprosium(III) salts: Dy(OH)3 + 3 H+ → Dy3+ + 3 H2O Dysprosium(III) hydroxide decomposes to DyO(OH) at elevated temperatures. Further decomposition produces Dy2O3. The reactions are:

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