diazomethane

simplest diazo compound and methylating agent
ChemicalSubstance type_of_chemical_entity Q413683
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Summary

diazomethane is a type of chemical entity[1]. diazomethane ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (233 views/month).[2]

Key Facts

  • diazomethane's instance of is recorded as type of chemical entity[3].
  • diazomethane's canonical SMILES is recorded as C=[N+]=[N-][4].
  • diazomethane's chemical formula is recorded as CH₂N₂[5].
  • diazomethane is a type of chemical compound[6].
  • diazomethane's Commons category is recorded as Diazomethane[7].
  • diazomethane comprises nitrogen[8].
  • diazomethane comprises carbon[9].
  • diazomethane comprises methylidene group[10].
  • diazomethane comprises diazo group[11].
  • diazomethane's has effect is recorded as diazomethane exposure[12].
  • diazomethane's has characteristic is recorded as flammable gas[13].
  • diazomethane's NIOSH Pocket Guide ID is recorded as 0182[14].
  • diazomethane's mass is recorded as {'amount': '+42.022'}[15].
  • diazomethane's melting point is recorded as {'amount': '-229'}[16].
  • diazomethane's melting point is recorded as {'amount': '-145'}[17].
  • diazomethane's boiling point is recorded as {'amount': '-9'}[18].
  • diazomethane's boiling point is recorded as {'amount': '-23'}[19].
  • diazomethane's vapor pressure is recorded as {'amount': '+1'}[20].
  • diazomethane's immediately dangerous to life or health is recorded as {'amount': '+3.44'}[21].
  • diazomethane's electric dipole moment is recorded as {'amount': '+1.50'}[22].
  • diazomethane's ionization energy is recorded as {'amount': '+9'}[23].
  • diazomethane's ionization energy is recorded as {'amount': '+9.00'}[24].
  • diazomethane's time-weighted average exposure limit is recorded as {'amount': '+0.4'}[25].
  • diazomethane's associated hazard is recorded as diazomethane exposure[26].
  • diazomethane's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[27].

Why It Matters

diazomethane ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (233 views/month).[2] diazomethane has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[28] diazomethane is known by 29 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] ↑ . 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.

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). diazomethane. Retrieved October 15, 2026, from https://4ort.xyz/entity/diazomethane
MLA “diazomethane.” 4ort.xyz Knowledge Graph, 4ort.xyz, 15 Oct. 2026, https://4ort.xyz/entity/diazomethane.
BibTeX @misc{4ortxyz_diazomethane_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{diazomethane}}, year = {2026}, url = {https://4ort.xyz/entity/diazomethane}, note = {Accessed: 2026-10-15}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): diazomethane — https://4ort.xyz/entity/diazomethane (retrieved 2026-10-15)

Canonical URL: https://4ort.xyz/entity/diazomethane · 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. 19d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 34010
    "/* wbsetclaimvalue:1| */ Zvg number: 34010, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 22d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Ionization energy → {'amount': '+9'}, {'amount': '+9.00'}
    Aliases → —
    Mass → {'amount': '+42.022'}
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Zvg number: 034010, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
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