chromium trioxide

chemical compound, highly toxic, corrosive, and carcinogenic
ChemicalSubstance type_of_chemical_entity Q931335
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chromium trioxide

Summary

chromium trioxide is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (496 views/month).[2]

Key Facts

  • chromium trioxide's instance of is recorded as type of chemical entity[3].
  • chromium trioxide's canonical SMILES is recorded as O=Cr=OCr=O">[4].
  • chromium trioxide's chemical formula is recorded as CrO₃[5].
  • chromium trioxide is a type of acidic oxide[6].
  • chromium trioxide is a type of chromium oxide[7].
  • chromium trioxide is used for indicators and reagents[8].
  • chromium trioxide's Commons category is recorded as Chromium trioxide[9].
  • chromium trioxide comprises oxygen[10].
  • chromium trioxide comprises chromium[11].
  • chromium trioxide's UN classification code is recorded as OTC[12].
  • chromium trioxide's described by source is recorded as Armenian Soviet Encyclopedia, vol. 12[13].
  • chromium trioxide's NIOSH Pocket Guide ID is recorded as 0138[14].
  • chromium trioxide's mass is recorded as {'unit': 'Q483261', 'amount': '+99.925'}[15].
  • chromium trioxide's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[16].
  • chromium trioxide's 2022 Harmonized System Code is recorded as 281910[17].

Why It Matters

chromium trioxide ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (496 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[18] It is known by 35 alternative names across languages and contexts.[19]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Medical Subject Headings. Retrieved . 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] . PubChem. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . Harmonized System. Retrieved . 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). chromium trioxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/chromium-trioxide
MLA “chromium trioxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/chromium-trioxide.
BibTeX @misc{4ortxyz_chromium-trioxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{chromium trioxide}}, year = {2026}, url = {https://4ort.xyz/entity/chromium-trioxide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): chromium trioxide — https://4ort.xyz/entity/chromium-trioxide (retrieved 2026-05-03)

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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. 8d ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Point group Q13364035
    Has part(s) oxygen, chromium
    Standard enthalpy of formation -292.88
    Has part(s) of the class ['Q629', 'Q725']
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P2670]]: [[Q629]], [[:toollabs:quickstatements/#/batch/269324|batch #269324]]"
  2. 12d ago · Baum64 · 2026-08-18 view diff on Wikidata ↗
    Crystal system Q648961
    Has parts
    Described by source Armenian Soviet Encyclopedia, vol. 12
    Subclass of
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 2106443, [[:toollabs:quickstatements/#/batch/269136|batch #269136]]"
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