Niobium pentoxide

Niobium pentoxide
Names
IUPAC name
Niobium(V) oxide
Other names
Niobium pentoxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.831
EC Number
  • 215-213-6
UNII
  • InChI=1S/2Nb.5O
    Key: ZKATWMILCYLAPD-UHFFFAOYSA-N
  • O=[Nb](=O)O[Nb](=O)=O
Properties
Nb2O5
Molar mass 265.81 g/mol
Appearance white orthogonal solid
Density 4.60 g/cm3
Melting point 1,512 °C (2,754 °F; 1,785 K)
insoluble
Solubility soluble in HF
−10·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Niobium pentoxide is the inorganic compound with the formula Nb2O5. A colorless, insoluble, and fairly unreactive solid, it is the most widespread precursor for other compounds and materials containing niobium. It is predominantly used in alloying, with other specialized applications in capacitors, optical glasses, and the production of lithium niobate.

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