aqua regia

mixture of nitric acid and hydrochloric acid, in a molar ratio of 1:3
Thing mixture Q174670
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aqua regia

Summary

aqua regia is a mixture[1]. It ranks in the top 8% of mixture entities by monthly Wikipedia readership (2,449 views/month).[2]

Key Facts

  • aqua regia's instance of is recorded as mixture[3].
  • aqua regia's canonical SMILES is recorded as N+(O)[O-].ClN+(O)[O-].Cl">[4].
  • aqua regia's Commons category is recorded as Aqua regia[5].
  • aqua regia comprises hydrochloric acid[6].
  • aqua regia comprises nitric acid[7].
  • aqua regia's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[8].
  • aqua regia's described by source is recorded as Otto's encyclopedia[9].
  • aqua regia's described by source is recorded as The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[10].
  • aqua regia's density is recorded as {'unit': 'Q13147228', 'amount': '+1.01'}[11].
  • aqua regia's mass is recorded as {'unit': 'Q483261', 'amount': '+98.972321'}[12].
  • aqua regia's melting point is recorded as {'unit': 'Q25267', 'amount': '-42'}[13].
  • aqua regia's boiling point is recorded as {'unit': 'Q25267', 'amount': '+108'}[14].
  • aqua regia's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[15].

Body

Definition and Type

aqua regia's instance of is recorded as mixture[3].

Use and Application

Components include hydrochloric acid[6], an aqueous solution[16] and nitric acid[7], a type of chemical entity[17].

Why It Matters

aqua regia ranks in the top 8% of mixture entities by monthly Wikipedia readership (2,449 views/month).[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[18] It is known by 40 alternative names across languages and contexts.[19]

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] . 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] . PubChem. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.

Inline context (facts about related entities)

  1. [16] . Wikidata. wikidata.org. → on this site
  2. [17] . 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. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . 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). aqua regia. Retrieved May 3, 2026, from https://4ort.xyz/entity/aqua-regia
MLA “aqua regia.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/aqua-regia.
BibTeX @misc{4ortxyz_aqua-regia_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{aqua regia}}, year = {2026}, url = {https://4ort.xyz/entity/aqua-regia}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): aqua regia — https://4ort.xyz/entity/aqua-regia (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/aqua-regia · 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. 14d ago · Twofivesixbot bot · 2026-05-18 view diff on Wikidata ↗
    Boiling point {'unit': 'Q25267', 'amount': '+108'}
    Instance of
    Unii X3TT5X989E
    Great russian encyclopedia online id (2017) 4673253
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|7 */ [[Property:P2347]]: 26890, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.