Niobium (IV) Oxide

Synonym: Niobium dioxide, Columbium dioxide
CAS Number 12034-59-2 | MDL Number MFCD00016242 | EC Number 234-809-7

Niobium (IV) Oxide Chemical Structure

Product CodeNB4592
CAS Number12034-59-2
Assay (purity)99+%
Purity methodby elemental analysis
Molecular weight124.91
Appearanceblack powder
Melting point1902C
Molecular formulaNbO2
Linear formulaNbO2

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Niobium (IV) Oxide contact us at

Safety information

Signal wordWARNING
Hazard statementsH315, H319, H335
Precautionary statementsP261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

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External identifiers for Niobium dioxide

Pubchem CID82839
IUPAC Nameoxoniobium
InchI IdentifierInChI=1S/Nb.O

Ereztech synthesizes and sells additional NB-compounds.

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