calomel

chemical compound
ChemicalSubstance type_of_chemical_entity Q172949
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calomel

Summary

calomel is a type of chemical entity[1]. calomel ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (425 views/month).[2]

Key Facts

  • calomel's instance of is recorded as type of chemical entity[3].
  • calomel's canonical SMILES is recorded as Cl[Hg].Cl[Hg][4].
  • calomel's chemical formula is recorded as Cl₂Hg₂[5].
  • calomel is a type of chemical compound[6].
  • calomel's Commons category is recorded as Mercury(I) chloride[7].
  • calomel comprises mercury[8].
  • calomel comprises chlorine[9].
  • calomel's crystal system is recorded as tetragonal crystal system[10].
  • calomel's described by source is recorded as Encyclopædia Britannica 11th edition[11].
  • calomel's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[12].
  • calomel's mass is recorded as {'unit': 'Q483261', 'amount': '+473.87899136'}[13].
  • calomel's melting point is recorded as {'unit': 'Q25267', 'amount': '+543'}[14].
  • calomel's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[15].

Why It Matters

calomel ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (425 views/month).[2] calomel has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[16] calomel is known by 30 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] . 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] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. 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). calomel. Retrieved May 3, 2026, from https://4ort.xyz/entity/calomel-q172949-2
MLA “calomel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/calomel-q172949-2.
BibTeX @misc{4ortxyz_calomel-q172949-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{calomel}}, year = {2026}, url = {https://4ort.xyz/entity/calomel-q172949-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): calomel — https://4ort.xyz/entity/calomel-q172949-2 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/calomel-q172949-2 · 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. 1d 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
    + 8 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]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.