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208515

Sigma-Aldrich

Niobium(V) oxide

−325 mesh, 99.9% trace metals basis

Synonyme(s) :

Niobium pentoxide

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About This Item

Formule empirique (notation de Hill):
Nb2O5
Numéro CAS:
1313-96-8
Poids moléculaire :
265.81
Numéro CE :
215-213-6
Numéro MDL:
MFCD00011128
Code UNSPSC :
12352303
ID de substance PubChem :
24852519
Nomenclature NACRES :
NA.23

Pureté

99.9% trace metals basis

Forme

powder

Taille des particules

−325 mesh

Densité

4.47 g/mL at 25 °C (lit.)

Chaîne SMILES 

O=[Nb](=O)O[Nb](=O)=O

InChI

1S/2Nb.5O

Clé InChI

ZKATWMILCYLAPD-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Niobium(V) oxide, also known as niobium pentoxide, is a white crystalline powder. It is a refractory metal oxide with a high melting point of over 2500 °C and high chemical stability, including to oxygen and moisture. Niobium(V) oxide is mainly used as a raw material in the production of niobium and niobium alloys, as a catalyst in chemical reactions, and as a refractory material in high-temperature applications. It is also used as a dielectric material in capacitors and as a pigment in ceramics and glasses.

Application

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.

Caractéristiques et avantages

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Certificats d'analyse (COA)

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The effects of niobium ions released from 60CaO-30P(2)O(5)-(10-x)Na(2)O-xNb(2)O(5) (mol %, x = 0-10) glasses on MC3T3-E1 cell functions were evaluated by culture tests with two systems; cell culture on glass plates, or in culture media containing glass extracts. Alkaline phosphatase
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