Erbium(III) hydroxide
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| ImageFile = Erbium(III) hydroxide.jpg
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| OtherNames =erbium hydroxide
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| Section1 = {{Chembox Identifiers
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| InChI =
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| CASNo = 14646-16-3
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| PubChem = 84573
| EC_number = 238-696-5
| ChemSpiderID = 76295
| StdInChI=1S/Er.3H2O/h;3*1H2/q+3;;;/p-3
| StdInChIKey = VAVZPNQZVXNCJK-UHFFFAOYSA-K
| SMILES = [OH-].[OH-].[OH-].[Er+3]
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| Section2 = {{Chembox Properties
| Formula = Er(OH)3
| MolarMass = 218.283
| Appearance = pink solid《无机化学丛书》. 第七卷 钪 稀土元素. 易宪武 等主编. 科学出版社. P168~171. (2)氢氧化物
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| Section8 = {{Chembox Related
| OtherFunction =
| OtherAnions = Erbium oxide
| OtherCations = holmium(III) hydroxide
thulium(III) hydroxide
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Erbium(III) hydroxide is an inorganic compound with chemical formula Er(OH)3.