Holmium iodate

Holmium iodate
Identifiers
CAS Number	23340-47-8 anhydrous ; 24859-42-5 tetrahydrate ;
3D model (JSmol)	Interactive image;
EC Number	245-593-9;
PubChem CID	21149397;
CompTox Dashboard (EPA)	DTXSID20177900 ;
	InChI InChI=1S/Ho.3HIO3/c;32-1(3)4/h;3(H,2,3,4)/q+3;;;/p-3 Key: RZAVVMZWGQFLIE-UHFFFAOYSA-K;
	SMILES [O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[Ho+3];
Properties
Chemical formula	Ho(IO3)3
Molar mass	689.64
Appearance	pink solid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Holmium iodate is an inorganic compound with the chemical formula Ho(IO₃)₃. It can be obtained by reacting holmium periodate and periodic acid in water at 170 °C.^[1] Its solubility in water is 1.162±0.001 (25 °C, 103 mol·dm⁻³). Adding ethanol or methanol to water will reduce the solubility.^[2]

References

^ ^a ^b Douglas, Paul; Hector, Andrew L.; Levason, William; Light, Mark E.; Matthews, Melissa L.; Webster, Michael (Mar 2004). "Hydrothermal Synthesis of Rare Earth Iodates from the Corresponding Periodates: II 1) . Synthesis and Structures of Ln(IO 3 ) 3 (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Ho, Er) and Ln(IO 3 ) 3 · 2H 2 O (Ln = Eu, Gd, Dy, Er, Tm, Yb)". Zeitschrift für anorganische und allgemeine Chemie. 630 (3): 479–483. doi:10.1002/zaac.200300377. ISSN 0044-2313.
^ Miyamoto, Hiroshi; Shimura, Hiroko; Sasaki, Kayoko (Jul 1985). "Solubilities of rare earth lodates in aqueous and aqueous alcoholic solvent mixtures". Journal of Solution Chemistry. 14 (7): 485–497. doi:10.1007/BF00646980. ISSN 0095-9782.

[Paul-1] Douglas, Paul; Hector, Andrew L.; Levason, William; Light, Mark E.; Matthews, Melissa L.; Webster, Michael (Mar 2004). "Hydrothermal Synthesis of Rare Earth Iodates from the Corresponding Periodates: II 1) . Synthesis and Structures of Ln(IO 3 ) 3 (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Ho, Er) and Ln(IO 3 ) 3 · 2H 2 O (Ln = Eu, Gd, Dy, Er, Tm, Yb)". Zeitschrift für anorganische und allgemeine Chemie. 630 (3): 479–483. doi:10.1002/zaac.200300377. ISSN 0044-2313.

[2] Miyamoto, Hiroshi; Shimura, Hiroko; Sasaki, Kayoko (Jul 1985). "Solubilities of rare earth lodates in aqueous and aqueous alcoholic solvent mixtures". Journal of Solution Chemistry. 14 (7): 485–497. doi:10.1007/BF00646980. ISSN 0095-9782.

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