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chemical substance

matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of and characterized by physical properties like density
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Summary

chemical substance ranks in the top 2% of general entities by monthly Wikipedia readership (3,041 views/month).[1]

Key Facts

  • Subclass of: chemical entity[2], substance[3]
  • Commons category: Chemical substances[4]
  • Topic's main category: Category:Chemical substances[5]
  • Has characteristic: cohesion[6], group or class of chemical substances[7]
  • Equivalent class: http://purl.obolibrary.org/obo/CHEBI_59999[8], http://bioschemas.org/ChemicalSubstance[9], https://schema.org/ChemicalSubstance[10]
  • NCI Thesaurus ID: C48807[11]
  • Different from: Stof[12], Stoff[13], chemical substance[14]
  • Studied by: physics[15], chemistry[16]
  • Has part(s) of the class: molecular entity[17]
  • Union of: list of values as qualifiers[18]
  • Narrower external class: http://id.nlm.nih.gov/mesh/vocab#SCR_Chemical[19]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[20]
  • Model item: pure substance[21], chemical product[22]

Why It Matters

chemical substance has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[23] It is known by 66 alternative names across languages and contexts.[24]

Related Entities

Amino Silica Gel C18 Silica Gel C8 Silica Gel carrageenan calcium carrageenan sodium chemistry Chondrus crispus carrageenan Cyano Silica Gel gel iota-carrageenan iota-carrageenan calcium iota-carrageenan sodium kappa-carrageenan clalcium kappa-carrageenan sodium lamda-carrageenan lamda-carrageenan calcium lamda-carrageenan sodium Pavel Holba Phenyl Silica Gel physics silica gel

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . ChEBI. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . Compendium of Chemical Terminology. wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] ↑ . Wikidata sitelinks. wikidata.org.
  3. [24] ↑ . 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). chemical substance. Retrieved October 14, 2026, from https://4ort.xyz/entity/chemical-substance
MLA “chemical substance.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/chemical-substance.
BibTeX @misc{4ortxyz_chemical-substance_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{chemical substance}}, year = {2026}, url = {https://4ort.xyz/entity/chemical-substance}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): chemical substance — https://4ort.xyz/entity/chemical-substance (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/chemical-substance · 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 · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → h0002763-chemicke-latky
    "/* wbcreateclaim-create:1| */ Svkkl authority id: h0002763-chemicke-latky, [[:toollabs:quickstatements/#/batch/259497|batch #259497]]"
  2. 21w ago · Twofivesixbot bot · 2026-05-20 view diff on Wikidata ↗
    Has part(s) of the class → molecular entity
    Studied by → physics, chemistry
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    Has characteristic → cohesion, group or class of chemical substances
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|4 */ Yso id: 7757, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.