barium oxide

compound with barium and oxygen
ChemicalSubstance type_of_chemical_entity Q408892
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barium oxide

Summary

barium oxide is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (229 views/month).[2]

Key Facts

  • barium oxide is credited with the discovery of Carl Wilhelm Scheele[3].
  • barium oxide's instance of is recorded as type of chemical entity[4].
  • barium oxide's canonical SMILES is recorded as O=[Ba][5].
  • barium oxide's chemical formula is recorded as BaO[6].
  • barium oxide is a type of oxide[7].
  • barium oxide is a type of barium compound[8].
  • barium oxide's Commons category is recorded as Barium oxide[9].
  • barium oxide comprises barium[10].
  • barium oxide comprises oxygen[11].
  • barium oxide's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[12].
  • barium oxide's mass is recorded as {'unit': 'Q483261', 'amount': '+153.900162'}[13].
  • barium oxide's melting point is recorded as {'unit': 'Q25267', 'amount': '+1920'}[14].
  • barium oxide's boiling point is recorded as {'unit': 'Q25267', 'amount': '+2000'}[15].
  • barium oxide's standard enthalpy of formation is recorded as {'unit': 'Q752197', 'amount': '-558.1'}[16].
  • barium oxide's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[17].

Body

Works and Contributions

barium oxide is credited with the discovery of Carl Wilhelm Scheele[3].

Why It Matters

barium oxide ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (229 views/month).[2] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[18] It is known by 13 alternative names across languages and contexts.[19]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . Q24342410. wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . PubChem. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). barium oxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/barium-oxide
MLA “barium oxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/barium-oxide.
BibTeX @misc{4ortxyz_barium-oxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{barium oxide}}, year = {2026}, url = {https://4ort.xyz/entity/barium-oxide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): barium oxide — https://4ort.xyz/entity/barium-oxide (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/barium-oxide · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Baum64 · 2026-08-18 view diff on Wikidata ↗
    Has parts
    Described by source Brockhaus and Efron Encyclopedic Dictionary
    Subclass of
    Unii 77603K202B
    + 13 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 1011362, [[:toollabs:quickstatements/#/batch/269136|batch #269136]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.