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nickelocene

chemical compound
ChemicalSubstance type_of_chemical_entity Q418054
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nickelocene

Summary

nickelocene is a type of chemical entity[1]. nickelocene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (143 views/month).[2]

Key Facts

  • nickelocene's instance of is recorded as type of chemical entity[3].
  • nickelocene's canonical SMILES is recorded as [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Ni+2][4].
  • nickelocene's chemical formula is recorded as C₁₀H₁₀Ni[5].
  • nickelocene is a type of chemical compound[6].
  • nickelocene's Commons category is recorded as Nickelocene[7].
  • nickelocene comprises nickel[8].
  • nickelocene comprises carbon[9].
  • nickelocene comprises hydrogen[10].
  • nickelocene's mass is recorded as {'unit': 'Q483261', 'amount': '+188.014'}[11].
  • nickelocene's subject has role is recorded as carcinogen[12].
  • nickelocene's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[13].

Why It Matters

nickelocene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (143 views/month).[2] nickelocene has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[14]

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] ↑ . PubChem. Retrieved . wikidata.org.
  7. [9] ↑ . PubChem. Retrieved . wikidata.org.
  8. [10] ↑ . PubChem. Retrieved . wikidata.org.
  9. [11] ↑ . PubChem. Retrieved . wikidata.org.
  10. [12] ↑ . California Proposition 65 list of chemicals. Retrieved . oehha.ca.gov. Provenance: wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. 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). nickelocene. Retrieved May 3, 2026, from https://4ort.xyz/entity/nickelocene
MLA “nickelocene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/nickelocene.
BibTeX @misc{4ortxyz_nickelocene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{nickelocene}}, year = {2026}, url = {https://4ort.xyz/entity/nickelocene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): nickelocene — https://4ort.xyz/entity/nickelocene (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/nickelocene · 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. 29d ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts → —
    Instance of → type of chemical entity
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    Subclass of → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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