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arsenic pentoxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q411256
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Summary

arsenic pentoxide is a type of chemical entity[1]. It ranks in the top 6% of type of chemical entity entities by monthly Wikipedia readership (241 views/month).[2]

Key Facts

  • Canonical SMILES: O=AsOAs=OAsOAs=O">[3]
  • Chemical formula: As₂O₅[4]
  • Subclass of: chemical compound[5]
  • Commons category: Arsenic pentoxide[6]
  • Has part(s): oxygen[7], arsenic[8]
  • Has effect: arsenic pentoxide exposure[9]
  • Density: 4.32[10]
  • Mass: 229.818[11]
  • Melting point: 315[12]
  • Associated hazard: arsenic pentoxide exposure[13]
  • Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[14]
  • 2022 Harmonized System Code: 281129[15]

Why It Matters

arsenic pentoxide has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[16] It is known by 60 alternative names across languages and contexts.[17]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . 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] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . Wikidata sitelinks. wikidata.org.
  3. [17] ↑ . 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). arsenic pentoxide. Retrieved October 11, 2026, from https://4ort.xyz/entity/arsenic-pentoxide
MLA “arsenic pentoxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/arsenic-pentoxide.
BibTeX @misc{4ortxyz_arsenic-pentoxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{arsenic pentoxide}}, year = {2026}, url = {https://4ort.xyz/entity/arsenic-pentoxide}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): arsenic pentoxide — https://4ort.xyz/entity/arsenic-pentoxide (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/arsenic-pentoxide · 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. 17d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 70440
    "/* wbsetclaimvalue:1| */ Zvg number: 70440, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 20d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Aliases → —
    Mass → {'amount': '+229.818'}
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    Instance of → —
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Zvg number: 070440, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.