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hydrogen iodide

chemical compound
ChemicalSubstance type_of_chemical_entity Q2462
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hydrogen iodide

Summary

hydrogen iodide is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (439 views/month).[2]

Key Facts

  • hydrogen iodide's instance of is recorded as type of chemical entity[3].
  • hydrogen iodide's canonical SMILES is recorded as I[4].
  • hydrogen iodide's chemical formula is recorded as HI[5].
  • hydrogen iodide is a type of iodide[6].
  • hydrogen iodide is a type of hydrogen halide[7].
  • hydrogen iodide's Commons category is recorded as Hydrogen iodide[8].
  • hydrogen iodide comprises hydrogen[9].
  • hydrogen iodide comprises iodine[10].
  • hydrogen iodide's found in taxon is recorded as Homo sapiens[11].
  • hydrogen iodide's pKa is recorded as {'amount': '-11'}[12].
  • hydrogen iodide's different from is recorded as hydroiodic acid[13].
  • hydrogen iodide's mass is recorded as {'unit': 'Q483261', 'amount': '+127.9123'}[14].
  • hydrogen iodide's speed of sound is recorded as {'unit': 'Q182429', 'amount': '+157'}[15].
  • hydrogen iodide's melting point is recorded as {'unit': 'Q25267', 'amount': '-50.8'}[16].
  • hydrogen iodide's melting point is recorded as {'unit': 'Q25267', 'amount': '-50.77'}[17].
  • hydrogen iodide's boiling point is recorded as {'unit': 'Q25267', 'amount': '-35.36'}[18].
  • hydrogen iodide's boiling point is recorded as {'unit': 'Q25267', 'amount': '-35.55'}[19].
  • hydrogen iodide's decomposition point is recorded as {'unit': 'Q25267', 'amount': '+300'}[20].
  • hydrogen iodide's electric dipole moment is recorded as {'unit': 'Q40603', 'amount': '+0.448'}[21].
  • hydrogen iodide's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+10.39'}[22].
  • hydrogen iodide's standard molar entropy is recorded as {'unit': 'Q20966455', 'amount': '+206.6'}[23].
  • hydrogen iodide's standard enthalpy of formation is recorded as {'unit': 'Q752197', 'amount': '+26.6'}[24].
  • hydrogen iodide's conjugate base is recorded as iodide ion[25].
  • hydrogen iodide's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[26].

Why It Matters

hydrogen iodide ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (439 views/month).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[27] It is known by 11 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  3. [5] ↑ . PubChem. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Recon 2.2: from reconstruction to model of human metabolism. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . ChEMBL. Retrieved . wikidata.org.
  13. [15] ↑ . CRC Handbook of Chemistry and Physics (78th edition). wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  16. [18] ↑ . 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] ↑ . chem.libretexts.org. Retrieved . chem.libretexts.org. Provenance: wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] ↑ . Wikidata sitelinks. wikidata.org.
  3. [28] ↑ . 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 iodide. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydrogen-iodide
MLA “hydrogen iodide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydrogen-iodide.
BibTeX @misc{4ortxyz_hydrogen-iodide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydrogen iodide}}, year = {2026}, url = {https://4ort.xyz/entity/hydrogen-iodide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydrogen iodide — https://4ort.xyz/entity/hydrogen-iodide (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. 8d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Melting point → {'unit': 'Q25267', 'amount': '-50.8'}, {'unit': 'Q25267', 'amount': '-50.77'}
    Electric dipole moment → {'unit': 'Q40603', 'amount': '+0.448'}
    Has parts → —
    Has part(s) → hydrogen, iodine
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.