hexamethylene diisocyanate

chemical compound
ChemicalSubstance type_of_chemical_entity Q418197
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Summary

hexamethylene diisocyanate is a type of chemical entity[1]. It ranks in the top 6% of type of chemical entity entities by monthly Wikipedia readership (625 views/month).[2]

Key Facts

  • Physically interacts with: Transient receptor potential cation channel subfamily A member 1[3]
  • Canonical SMILES: C(CCCN=C=O)CCN=C=O[4]
  • Chemical formula: C₈H₁₂N₂O₂[5]
  • Subclass of: chemical compound[6]
  • Commons category: Hexamethylene diisocyanate[7]
  • Has effect: hexamethylene diisocyanate exposure[8]
  • Has characteristic: Class IIIB combustible liquid[9]
  • NIOSH Pocket Guide ID: 0320[10]
  • Density: 1.04[11]
  • Mass: 168.089878[12]
  • Melting point: -89[13], -67[14]
  • Boiling point: 415[15]
  • Vapor pressure: 0.05[16]
  • Flash point: 284[17]
  • Time-weighted average exposure limit: 0.035[18]
  • Ceiling exposure limit: 0.14[19]
  • Subject has role: occupational air pollutants[20], air pollutant[21], cross-linking reagent[22]
  • Associated hazard: hexamethylene diisocyanate exposure[23]
  • P14541: 3BBbqX[24]

Why It Matters

hexamethylene diisocyanate has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[25] It is known by 24 alternative names across languages and contexts.[26]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). hexamethylene diisocyanate. Retrieved October 14, 2026, from https://4ort.xyz/entity/hexamethylene-diisocyanate
MLA “hexamethylene diisocyanate.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/hexamethylene-diisocyanate.
BibTeX @misc{4ortxyz_hexamethylene-diisocyanate_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hexamethylene diisocyanate}}, year = {2026}, url = {https://4ort.xyz/entity/hexamethylene-diisocyanate}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hexamethylene diisocyanate — https://4ort.xyz/entity/hexamethylene-diisocyanate (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/hexamethylene-diisocyanate · 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. 20d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 13120
    "/* wbsetclaimvalue:1| */ Zvg number: 13120, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 23d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 13120
    "/* wbcreateclaim-create:1| */ Zvg number: 013120, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  3. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3BBbqX
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 20w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Ceiling exposure limit → {'amount': '+0.14'}
    Density → {'amount': '+1.04'}
    Boiling point → {'amount': '+415'}
    Instance of → —
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ National library of israel j9u id: 987007290697805171, mv to monolingual text names on J9U statements"
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