pyrene

chemical compound
ChemicalSubstance type_of_chemical_entity Q415723
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pyrene

Summary

pyrene is a type of chemical entity[1]. pyrene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (236 views/month).[2]

Key Facts

  • pyrene's instance of is recorded as type of chemical entity[3].
  • pyrene's canonical SMILES is recorded as C1=CC2=C3C(=C1)C=CC4=CC=CC(=C43)C=C2[4].
  • pyrene's chemical formula is recorded as C₁₆H₁₀[5].
  • pyrene is a type of polycyclic aromatic hydrocarbons[6].
  • pyrene is a type of pyrene[7].
  • pyrene's Commons category is recorded as Pyrene[8].
  • pyrene comprises carbon[9].
  • pyrene comprises hydrogen[10].
  • pyrene's found in taxon is recorded as Galbulimima[11].
  • pyrene's described by source is recorded as The Nuttall Encyclopædia[12].
  • pyrene's mass is recorded as {'amount': '+202.078'}[13].
  • pyrene's melting point is recorded as {'amount': '+150'}[14].
  • pyrene's melting point is recorded as {'amount': '+151.2'}[15].
  • pyrene's boiling point is recorded as {'amount': '+404'}[16].
  • pyrene's ionization energy is recorded as {'amount': '+7.41'}[17].
  • pyrene's subject has role is recorded as fluorophore[18].
  • pyrene's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[19].

Why It Matters

pyrene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (236 views/month).[2] pyrene has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[20] pyrene is known by 23 alternative names across languages and contexts.[21]

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.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata sitelinks. wikidata.org.
  3. [21] ↑ . 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). pyrene. Retrieved October 4, 2026, from https://4ort.xyz/entity/pyrene
MLA “pyrene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Oct. 2026, https://4ort.xyz/entity/pyrene.
BibTeX @misc{4ortxyz_pyrene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pyrene}}, year = {2026}, url = {https://4ort.xyz/entity/pyrene}, note = {Accessed: 2026-10-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pyrene — https://4ort.xyz/entity/pyrene (retrieved 2026-10-04)

Canonical URL: https://4ort.xyz/entity/pyrene · 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. 8d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 22830, 22830
    "/* wbsetclaimvalue:1| */ [[Property:P679]]: 22830, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 11d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 22830, 22830
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 022830, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
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