isobutane

chemical compound
ChemicalSubstance type_of_chemical_entity Q407225
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isobutane

Summary

isobutane is a type of chemical entity[1]. isobutane ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (1,449 views/month).[2]

Key Facts

  • isobutane's instance of is recorded as type of chemical entity[3].
  • isobutane's canonical SMILES is recorded as CC(C)C[4].
  • isobutane's chemical formula is recorded as C₄H₁₀[5].
  • isobutane is a type of butane[6].
  • isobutane is used for refrigerant[7].
  • isobutane's Commons category is recorded as Isobutane[8].
  • isobutane comprises carbon[9].
  • isobutane's topic's main category is recorded as Category:Isobutane[10].
  • isobutane's has effect is recorded as isobutane exposure[11].
  • isobutane's has characteristic is recorded as flammable gas[12].
  • isobutane's NIOSH Pocket Guide ID is recorded as 0350[13].
  • isobutane's mass is recorded as {'unit': 'Q483261', 'amount': '+58.078'}[14].
  • isobutane's melting point is recorded as {'unit': 'Q42289', 'amount': '-255'}[15].
  • isobutane's melting point is recorded as {'unit': 'Q25267', 'amount': '-138.3'}[16].
  • isobutane's boiling point is recorded as {'unit': 'Q42289', 'amount': '+11'}[17].
  • isobutane's boiling point is recorded as {'unit': 'Q25267', 'amount': '-11.73'}[18].
  • isobutane's vapor pressure is recorded as {'unit': 'Q177974', 'amount': '+3.1'}[19].
  • isobutane's electric dipole moment is recorded as {'unit': 'Q40603', 'amount': '+0.132'}[20].
  • isobutane's lower flammable limit is recorded as {'unit': 'Q2080811', 'amount': '+1.6'}[21].
  • isobutane's upper flammable limit is recorded as {'unit': 'Q2080811', 'amount': '+8.4'}[22].
  • isobutane's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+10.74'}[23].
  • isobutane's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+10.57'}[24].
  • isobutane's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+1900'}[25].
  • isobutane's associated hazard is recorded as isobutane exposure[26].
  • isobutane'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

isobutane ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (1,449 views/month).[2] isobutane has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[28] isobutane is known by 65 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] . 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] . PubChem. Retrieved . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. 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). isobutane. Retrieved May 3, 2026, from https://4ort.xyz/entity/isobutane
MLA “isobutane.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/isobutane.
BibTeX @misc{4ortxyz_isobutane_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{isobutane}}, year = {2026}, url = {https://4ort.xyz/entity/isobutane}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): isobutane — https://4ort.xyz/entity/isobutane (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/isobutane · 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. 7d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Time-weighted average exposure limit {'unit': 'Q21077820', 'amount': '+1900'}
    Electric dipole moment {'unit': 'Q40603', 'amount': '+0.132'}
    Ionization energy {'unit': 'Q83327', 'amount': '+10.74'}, {'unit': 'Q83327', 'amount': '+10.57'}
    Boiling point {'unit': 'Q42289', 'amount': '+11'}, {'unit': 'Q25267', 'amount': '-11.73'}
    + 21 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.