hydrogen azide

unstable, toxic chemical compound
ChemicalSubstance type_of_chemical_entity Q408925
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hydrogen azide

Summary

hydrogen azide is a type of chemical entity[1]. It ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (364 views/month).[2]

Key Facts

  • hydrogen azide's instance of is recorded as type of chemical entity[3].
  • hydrogen azide's canonical SMILES is recorded as N=[N+]=[N-][4].
  • hydrogen azide's chemical formula is recorded as HN₃[5].
  • hydrogen azide is a type of monoprotic acid[6].
  • hydrogen azide is a type of azide[7].
  • hydrogen azide is a type of nitrogen hydride[8].
  • hydrogen azide's Commons category is recorded as Hydrogen azide[9].
  • hydrogen azide comprises nitrogen[10].
  • hydrogen azide comprises hydrogen[11].
  • hydrogen azide's pKa is recorded as {'amount': '+4.64'}[12].
  • hydrogen azide's described by source is recorded as Encyclopædia Britannica 11th edition[13].
  • hydrogen azide's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[14].
  • hydrogen azide's described by source is recorded as Armenian Soviet Encyclopedia, vol. 1[15].
  • hydrogen azide's different from is recorded as trichlormethine[16].
  • hydrogen azide's density is recorded as {'unit': 'Q13147228', 'amount': '+1.09'}[17].
  • hydrogen azide's mass is recorded as {'unit': 'Q483261', 'amount': '+43.017'}[18].
  • hydrogen azide's melting point is recorded as {'unit': 'Q25267', 'amount': '-80'}[19].
  • hydrogen azide's boiling point is recorded as {'unit': 'Q25267', 'amount': '+37'}[20].
  • hydrogen azide's boiling point is recorded as {'unit': 'Q25267', 'amount': '+35.7'}[21].
  • hydrogen azide's electric dipole moment is recorded as {'unit': 'Q40603', 'amount': '+1.70'}[22].
  • hydrogen azide's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+10.72'}[23].
  • hydrogen azide's conjugate base is recorded as azide ion[24].
  • hydrogen azide'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

hydrogen azide ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (364 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[26] It is known by 47 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] . 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] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  20. [22] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  21. [23] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . 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). hydrogen azide. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydrogen-azide
MLA “hydrogen azide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydrogen-azide.
BibTeX @misc{4ortxyz_hydrogen-azide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydrogen azide}}, year = {2026}, url = {https://4ort.xyz/entity/hydrogen-azide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydrogen azide — https://4ort.xyz/entity/hydrogen-azide (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/hydrogen-azide · 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. 8d ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Pka {'amount': '+4.64'}
    Density {'unit': 'Q13147228', 'amount': '+1.09'}
    Boiling point {'unit': 'Q25267', 'amount': '+37'}, {'unit': 'Q25267', 'amount': '+35.7'}
    Instance of
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007533733705171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.