hydrogen deuteride

isotopic compound composed of one protium atom and one deuterium atom
ChemicalSubstance type_of_chemical_entity Q1444906
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hydrogen deuteride

Summary

hydrogen deuteride is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (36 views/month).[2]

Key Facts

  • hydrogen deuteride's instance of is recorded as type of chemical entity[3].
  • hydrogen deuteride's CAS Registry Number is recorded as 13983-20-5[4].
  • hydrogen deuteride's EC number is recorded as 237-773-0[5].
  • hydrogen deuteride's canonical SMILES is recorded as [HH][6].
  • hydrogen deuteride's InChI is recorded as InChI=1S/H2/h1H/i1+1[7].
  • hydrogen deuteride's InChIKey is recorded as UFHFLCQGNIYNRP-OUBTZVSYSA-N[8].
  • hydrogen deuteride's chemical formula is recorded as HD[9].
  • hydrogen deuteride's subclass of is recorded as hydrogen molecule[10].
  • hydrogen deuteride's subclass of is recorded as isotopic compound[11].
  • hydrogen deuteride's Commons category is recorded as Hydrogen deuteride[12].
  • hydrogen deuteride's has part is recorded as deuterium[13].
  • hydrogen deuteride's has part is recorded as protium[14].
  • hydrogen deuteride's Freebase ID is recorded as /m/02x1fc9[15].
  • hydrogen deuteride's ChemSpider ID is recorded as 146609[16].
  • hydrogen deuteride's PubChem CID is recorded as 167583[17].
  • hydrogen deuteride's ChEBI ID is recorded as 29237[18].
  • hydrogen deuteride's UN number is recorded as 1049[19].
  • hydrogen deuteride's isomeric SMILES is recorded as [2HH][20].
  • hydrogen deuteride's mass is recorded as {'unit': 'Q483261', 'amount': '+3.021927'}[21].
  • hydrogen deuteride's ECHA Substance Infocard ID is recorded as 100.034.325[22].
  • hydrogen deuteride's SureChEMBL ID is recorded as 29350355[23].
  • hydrogen deuteride's SureChEMBL ID is recorded as 30272888[24].
  • hydrogen deuteride's DSSTox substance ID is recorded as DTXSID001027186[25].
  • hydrogen deuteride's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[26].
  • hydrogen deuteride's Microsoft Academic ID is recorded as 2776094679[27].

Why It Matters

hydrogen deuteride ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (36 views/month).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[28] It is known by 8 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . 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] . Freebase Data Dumps. wikidata.org.
  14. [16] . Q2311683. Retrieved . wikidata.org.
  15. [17] . PubChem. Retrieved . wikidata.org.
  16. [18] . ChEBI. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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 deuteride. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydrogen-deuteride
MLA “hydrogen deuteride.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydrogen-deuteride.
BibTeX @misc{4ortxyz_hydrogen-deuteride_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydrogen deuteride}}, year = {2026}, url = {https://4ort.xyz/entity/hydrogen-deuteride}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydrogen deuteride — https://4ort.xyz/entity/hydrogen-deuteride (retrieved 2026-05-03)

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