<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-04-06 15:21:10 UTC</creation_date>
  <update_date>2026-04-06 15:21:10 UTC</update_date>
  <accession/>
  <common_name>Niobium oxide</common_name>
  <class>SmallMolecule</class>
  <description>Niobium oxide is an inorganic compound with the chemical formula Nb2O5 and an average molecular weight of 265.81 g/mol. Niobium oxide belongs to the miscellaneous mixed metal/non-metals, a class of mixed metal/non-metal compounds within the inorganic compounds.

The substance is found in or released from 25 recorded sources across several categories. Within electrical and electronic equipment, it is associated with amplifiers, antennas, auxiliary devices, coils, and communication cables or conductors, among 15 other sources. In the realm of building and construction, it is found in ceilings as well as tents or canopies. Additionally, the compound is linked to food, food processing and cookware, specifically the processing of fish. Other recorded sources include household items such as key rings and household cleaning and consumer products, specifically other smoking requisites.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>Nb2O5</chemical_formula>
  <average_molecular_weight>265.808</average_molecular_weight>
  <monisotopic_moleculate_weight>265.78731</monisotopic_moleculate_weight>
  <iupac_name/>
  <traditional_iupac/>
  <cas_registry_number>1313-96-8</cas_registry_number>
  <smiles/>
  <inchi>InChI=1S/2Nb.5O/q2*+5;5*-2</inchi>
  <inchikey>URLJKFSTXLNXLG-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom/>
    <super_class/>
    <class/>
    <sub_class/>
    <direct_parent/>
    <alternate_parents/>
    <substituents/>
    <molecular_framework/>
    <descriptors/>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties/>
  <predicted_properties>
    <property>
      <kind>average_mass</kind>
      <value>265.808</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>265.78731</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>Nb2O5</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/2Nb.5O/q2*+5;5*-2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>URLJKFSTXLNXLG-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <route_of_exposure/>
  <mechanism_of_toxicity/>
  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f72229e5480&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>9903420</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id/>
  <kegg_id/>
  <uniprot_id/>
  <omim_id/>
  <chebi_id/>
  <biocyc_id/>
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  <wikipidia/>
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