Europium(III) hydroxide

Europium(III) hydroxide
Identifiers
CAS Number	16469-19-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	77049 ;
ECHA InfoCard	100.036.818
EC Number	240-517-0;
PubChem CID	85435;
CompTox Dashboard (EPA)	DTXSID00926913 ;
	InChI InChI=1S/Eu.3H2O/h;3*1H2/q+3;;;/p-3 Key: CQQZFSZWNXAJQN-UHFFFAOYSA-K;
	SMILES [Eu+3].[OH-].[OH-].[OH-];
Properties
Chemical formula	Eu(OH)3
Molar mass	202.988
Appearance	pale pink solid[1]
Solubility product (Ksp)	9.38×10−27[2]
Related compounds
Other anions	europium oxide
Other cations	samarium(III) hydroxide; gadolinium(III) hydroxide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Europium(III) hydroxide is an inorganic compound with a chemical formula Eu(OH)₃.

Europium(III) hydroxide under UV light

Chemical properties

Europium(III) hydroxide can be prepared by reacting metallic europium with water. It reacts with acids and produces europium(III) salts:

Eu(OH)₃ + 3 H⁺ → Eu³⁺ + 3 H₂O

Europium(III) hydroxide decomposes to EuO(OH) at elevated temperature. Further decomposition produces Eu₂O₃.[1]

《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. P_168~171. (2)氢氧化物
John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–188. ISBN 1138561630.

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