Yttrium(III) nitrate

Yttrium(III) nitrate is an inorganic compound, a salt with the formula Y(NO₃)₃. The hexahydrate is the most common form commercially available.

Yttrium(III) nitrate

Names
Other names Yttrium nitrate
Identifiers
CAS Number	anhydrous: 10361-93-0 Y hexahydrate: 13494-98-9 Y
3D model (JSmol)	anhydrous: Interactive image
ECHA InfoCard	100.030.717
EC Number	anhydrous: 233-802-6
PubChem CID	anhydrous: 159283 hexahydrate: 166833
UNII	anhydrous: 0XR81865O4
CompTox Dashboard (EPA)	anhydrous: DTXSID70890657
InChI InChI=1S/3NO3.Y/c3*2-1(3)4;/q3*-1;+3 Key: BXJPTTGFESFXJU-UHFFFAOYSA-N
SMILES anhydrous: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Y+3]
Properties
Chemical formula	Y(NO3)3
Molar mass	274.927 g/mol
Appearance	Colorless crystals
Solubility in water	Soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Preparation

Yttrium(III) nitrate can be prepared by dissolving corresponding metal oxide in 6 mol/L nitric acid:^[1]

Y₂O₃ + 6 HNO₃ → 2 Y(NO₃)₃ + 3 H₂O

Properties

Yttrium(III) nitrate hexahydrate loses crystallized water at relatively low temperature. Upon further heating, basic salt YONO₃ is formed.^[2] At 600 C, the thermal decomposition is complete. Y₂O₃ is the final product.^[3]

Y(NO₃)₃·3TBP is formed when tributyl phosphate is used as the extracting solvent.^[4]

Uses

Yttrium(III) nitrate is mainly used as a source of Y³⁺ cations. It is a precursor of some yttrium-containing materials, such as Y₄Al₂O₉,^[3] YBa₂Cu₃O_6.5+x^[2] and yttrium-based metal-organic frameworks. ^[5] It can also be used as a catalyst in organic synthesis.^[6]