hydrochloric acid

highly corrosive, strong mineral acid in aqueous solution
Thing type_of_mixture_of_chemical_entities Q2409
hydrochloric acid
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hydrochloric acid

Summary

hydrochloric acid is a type of mixture of chemical entities[1]. It ranks in the top 2% of type_of_mixture_of_chemical_entities entities by monthly Wikipedia readership (1,317 views/month).[2]

Key Facts

  • hydrochloric acid is credited with the discovery of Mary the Jewess[3].
  • hydrochloric acid is credited with the discovery of Basil Valentine[4].
  • hydrochloric acid's instance of is recorded as type of mixture of chemical entities[5].
  • hydrochloric acid's chemical formula is recorded as HCl(aq)[6].
  • hydrochloric acid is a type of hydrohalic acid[7].
  • hydrochloric acid is a type of aqueous solution[8].
  • hydrochloric acid is used for food additive[9].
  • hydrochloric acid is used for acidity regulator[10].
  • hydrochloric acid's Commons category is recorded as Hydrochloric acid[11].
  • hydrochloric acid comprises water[12].
  • hydrochloric acid comprises hydrogen chloride[13].
  • hydrochloric acid's pKa is recorded as {'amount': '-6.3'}[14].
  • hydrochloric acid's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[15].
  • hydrochloric acid's described by source is recorded as Granat Encyclopedic Dictionary[16].
  • hydrochloric acid's described by source is recorded as Encyclopædia Britannica 11th edition[17].
  • hydrochloric acid's described by source is recorded as The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[18].
  • hydrochloric acid's described by source is recorded as Armenian Soviet Encyclopedia, vol. 1[19].
  • hydrochloric acid's different from is recorded as hydrogen chloride[20].
  • hydrochloric acid's mass is recorded as {'amount': '+54.47'}[21].
  • hydrochloric acid's melting point is recorded as {'amount': '-30'}[22].
  • hydrochloric acid's melting point is recorded as {'amount': '-114.18'}[23].
  • hydrochloric acid's boiling point is recorded as {'amount': '-85'}[24].
  • hydrochloric acid's vapor pressure is recorded as {'amount': '+190'}[25].
  • hydrochloric acid's electric dipole moment is recorded as {'amount': '+1.109'}[26].
  • hydrochloric acid's ionization energy is recorded as {'amount': '+12.75'}[27].

Body

Definition and Type

hydrochloric acid's instance of is recorded as type of mixture of chemical entities[5]. Recorded subclass of include hydrohalic acid[7] and aqueous solution[8].

Use and Application

Recorded has use include food additive[9] and acidity regulator[10]. Components include water[12], a type of chemical entity[28] and hydrogen chloride[13], a type of chemical entity[29].

Why It Matters

hydrochloric acid ranks in the top 2% of type_of_mixture_of_chemical_entities entities by monthly Wikipedia readership (1,317 views/month).[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] It is known by 162 alternative names across languages and contexts.[31]

References

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

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . 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] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). hydrochloric acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydrochloric-acid
MLA “hydrochloric acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydrochloric-acid.
BibTeX @misc{4ortxyz_hydrochloric-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydrochloric acid}}, year = {2026}, url = {https://4ort.xyz/entity/hydrochloric-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydrochloric acid — https://4ort.xyz/entity/hydrochloric-acid (retrieved 2026-05-03)

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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. 2d ago · Carn · 2026-08-31 view diff on Wikidata ↗
    Instance of type of mixture of chemical entities
    Subclass of hydrohalic acid, aqueous solution
    P14834 Q141130842
    Spoken text audio
    "/* wbcreateclaim-create:1| */ [[Property:P14834]]: [[Q141130842]], #quickstatements; #temporary_batch_1788165634350"
  2. 13d ago · Wostr · 2026-08-20 view diff on Wikidata ↗
    Instance of type of mixture of chemical entities
    "/* wbsetclaim-create:2||1 */ [[Property:P31]]: [[Q119892838]]"
  3. 25d ago · Dhx1 · 2026-08-08 view diff on Wikidata ↗
    Chemical formula HCl(aq)
    Safety classification and labelling NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response, Regulation (EC) No. 1272/2008
    "/* wbsetclaim-create:2||1 */ [[Property:P4952]]: [[Q2005334]]"
  4. 5w ago · آیات محراج · 2026-07-25 view diff on Wikidata ↗
    Chemical structure Hydrochloric acid dissociated.svg
    "/* wbsetclaim-create:2||1 */ [[Property:P117]]: Hydrochloric acid dissociated.svg"
  5. 7w ago · Nyuhn · 2026-07-12 view diff on Wikidata ↗
    P14541 4J3azG, 5kJXp
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/41251|batch #41251]]: ZGBK ID"
  6. 15w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Electric dipole moment {'amount': '+1.109'}
    Subclass of
    Discoverer or inventor Mary the Jewess, Basil Valentine
    Melting point {'amount': '-30'}, {'amount': '-114.18'}
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P7982]]: solna-kiselina"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.