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ferrocene

organometallic compound: Fe(II) sandwiched between two cyclopentadienyl rings
ChemicalSubstance type_of_chemical_entity Q211972
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ferrocene

Summary

ferrocene is a type of chemical entity[1]. ferrocene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (230 views/month).[2]

Key Facts

  • ferrocene's instance of is recorded as type of chemical entity[3].
  • ferrocene's canonical SMILES is recorded as [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Fe+2][4].
  • ferrocene's chemical formula is recorded as C₁₀H₁₀Fe[5].
  • ferrocene is a type of metallocene[6].
  • ferrocene is a type of homoleptic complex[7].
  • ferrocene's Commons category is recorded as Ferrocene[8].
  • ferrocene comprises iron[9].
  • ferrocene comprises carbon[10].
  • ferrocene comprises hydrogen[11].
  • ferrocene's time of discovery or invention is recorded as +1951-00-00T00:00:00Z[12].
  • ferrocene's topic's main category is recorded as Category:Ferrocenes[13].
  • ferrocene's has effect is recorded as ferrocene exposure[14].
  • ferrocene's has characteristic is recorded as flammable solid[15].
  • ferrocene's NIOSH Pocket Guide ID is recorded as 0205[16].
  • ferrocene's mass is recorded as {'unit': 'Q483261', 'amount': '+186.013'}[17].
  • ferrocene's melting point is recorded as {'unit': 'Q42289', 'amount': '+343'}[18].
  • ferrocene's boiling point is recorded as {'unit': 'Q42289', 'amount': '+480'}[19].
  • ferrocene's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+6.88'}[20].
  • ferrocene's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+5'}[21].
  • ferrocene's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+10'}[22].
  • ferrocene's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+15'}[23].
  • ferrocene's associated hazard is recorded as ferrocene exposure[24].

Why It Matters

ferrocene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (230 views/month).[2] ferrocene has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[25] ferrocene is known by 16 alternative names across languages and contexts.[26]

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] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  13. [15] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . PubChem. Retrieved . wikidata.org.
  16. [18] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  17. [19] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  18. [20] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  19. [21] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  20. [22] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  21. [23] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  22. [24] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). ferrocene. Retrieved May 3, 2026, from https://4ort.xyz/entity/ferrocene
MLA “ferrocene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ferrocene.
BibTeX @misc{4ortxyz_ferrocene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ferrocene}}, year = {2026}, url = {https://4ort.xyz/entity/ferrocene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ferrocene — https://4ort.xyz/entity/ferrocene (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ferrocene · 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. 13d ago · A.binAri · 2026-05-08 view diff on Wikidata ↗
    Topic's main category → Category:Ferrocenes
    Associated hazard → ferrocene exposure
    Has characteristic → flammable solid
    Ionization energy → {'unit': 'Q83327', 'amount': '+6.88'}
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P18]]: Ferrocene Crystals.png"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.