Lewisite

chemical compound
ChemicalSubstance type_of_chemical_entity Q407502
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Lewisite

Summary

Lewisite is a type of chemical entity[1]. Lewisite ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (941 views/month).[2]

Key Facts

  • Lewisite's instance of is recorded as type of chemical entity[3].
  • Winford Lee Lewis is named after Lewisite[4].
  • Lewisite's canonical SMILES is recorded as C(=CAsCl)ClAsCl)Cl">[5].
  • Lewisite's chemical formula is recorded as C₂H₂AsCl₃[6].
  • Lewisite is a type of 2-chlorovinyldichloroarsine[7].
  • Lewisite is used for blister agent[8].
  • Lewisite's Commons category is recorded as Lewisite[9].
  • Lewisite comprises arsenic[10].
  • Lewisite comprises carbon[11].
  • Lewisite comprises chlorine[12].
  • Lewisite comprises hydrogen[13].
  • Lewisite's refractive index is recorded as {'amount': '+1.6076'}[14].
  • Lewisite's described by source is recorded as Armenian Soviet Encyclopedia, vol. 4[15].
  • Lewisite's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[16].
  • Lewisite's has effect is recorded as lewisite exposure[17].
  • Lewisite's different from is recorded as hydroxycalcioroméite[18].
  • Lewisite's isomeric SMILES is recorded as C(=C/AsCl)\ClAsCl)\Cl">[19].
  • Lewisite's density is recorded as {'unit': 'Q13147228', 'amount': '+1.89'}[20].
  • Lewisite's mass is recorded as {'unit': 'Q483261', 'amount': '+205.844'}[21].
  • Lewisite's melting point is recorded as {'unit': 'Q25267', 'amount': '+0.1'}[22].
  • Lewisite's boiling point is recorded as {'unit': 'Q25267', 'amount': '+190'}[23].
  • Lewisite's associated hazard is recorded as lewisite exposure[24].
  • Lewisite's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[25].

Why It Matters

Lewisite ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (941 views/month).[2] Lewisite has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[26] Lewisite is known by 34 alternative names across languages and contexts.[27]

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] ↑ . PubChem. Retrieved . wikidata.org.
  4. [6] ↑ . PubChem. Retrieved . 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] ↑ . PubChem. Retrieved . wikidata.org.
  18. [20] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  19. [21] ↑ . PubChem. Retrieved . wikidata.org.
  20. [22] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  21. [23] ↑ . cdc.gov. cdc.gov. Provenance: wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . cdc.gov. Retrieved . cdc.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] ↑ . Wikidata sitelinks. wikidata.org.
  3. [27] ↑ . 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). Lewisite. Retrieved October 2, 2026, from https://4ort.xyz/entity/lewisite
MLA “Lewisite.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/lewisite.
BibTeX @misc{4ortxyz_lewisite_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lewisite}}, year = {2026}, url = {https://4ort.xyz/entity/lewisite}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lewisite — https://4ort.xyz/entity/lewisite (retrieved 2026-10-02)

Canonical URL: https://4ort.xyz/entity/lewisite · 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. 18w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Has use → blister agent
    Density → {'unit': 'Q13147228', 'amount': '+1.89'}
    Has effect → lewisite exposure
    Boiling point → {'unit': 'Q25267', 'amount': '+190'}
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007565573205171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.