Thulium(III) hydroxide

Thulium(III) hydroxide
Identifiers
CAS Number	1311-33-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	66595 ;
ECHA InfoCard	100.013.810
EC Number	215-190-2;
PubChem CID	73966;
UNII	Q0Q1UR916I;
CompTox Dashboard (EPA)	DTXSID1061657 ;
	InChI InChI=1S/3H2O.Tm/h3*1H2;/q;;;+3/p-3 Key: VZLHRXBDVXNVPC-UHFFFAOYSA-K ;
	SMILES [OH-].[OH-].[OH-].[Tm+3];
Properties
Chemical formula	Tm(OH)3
Molar mass	219.958
Appearance	green solid[1]
Related compounds
Other anions	thulium oxide
Other cations	erbium(III) hydroxide; ytterbium(III) hydroxide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Thulium(III) hydroxide is an inorganic compound with the chemical formula Tm(OH)₃.

Chemical properties

Thulium(III) hydroxide reacts with acids and produces thulium(III) salts:

Tm(OH)₃ + 3 H⁺ → Tm³⁺ + 3 H₂O

Thulium(III) hydroxide decomposes to TmO(OH) at elevated temperature. Further decomposition produces Tm₂O₃.[1]

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