acetic anhydride

chemical compound
ChemicalSubstance type_of_chemical_entity Q407775
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acetic anhydride

Summary

acetic anhydride is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (8,811 views/month).[2]

Key Facts

  • acetic anhydride's instance of is recorded as type of chemical entity[3].
  • acetic anhydride's canonical SMILES is recorded as CC(=O)OC(=O)C[4].
  • acetic anhydride's chemical formula is recorded as C₄H₆O₃[5].
  • acetic anhydride is a type of carboxylic anhydride[6].
  • acetic anhydride is used for reactant[7].
  • acetic anhydride's Commons category is recorded as Acetic anhydride[8].
  • acetic anhydride comprises oxygen[9].
  • acetic anhydride comprises carbon[10].
  • acetic anhydride's refractive index is recorded as {'amount': '+1.3906'}[11].
  • acetic anhydride's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[12].
  • acetic anhydride's has characteristic is recorded as Class II combustible liquid[13].
  • acetic anhydride's different from is recorded as butane-2,3-dione[14].
  • acetic anhydride's NIOSH Pocket Guide ID is recorded as 0003[15].
  • acetic anhydride's MCN code is recorded as 2915.24.00[16].
  • acetic anhydride's density is recorded as {'amount': '+1.08'}[17].
  • acetic anhydride's electrical conductivity is recorded as {'amount': '+0.00000048'}[18].
  • acetic anhydride's molar fusion enthalpy is recorded as {'amount': '+10.5'}[19].
  • acetic anhydride's mass is recorded as {'amount': '+102.032'}[20].
  • acetic anhydride's thermal conductivity is recorded as {'amount': '+0.0002209'}[21].
  • acetic anhydride's melting point is recorded as {'amount': '-99'}[22].
  • acetic anhydride's melting point is recorded as {'amount': '-73'}[23].
  • acetic anhydride's boiling point is recorded as {'amount': '+282'}[24].
  • acetic anhydride's boiling point is recorded as {'amount': '+139.55'}[25].
  • acetic anhydride's molar enthalpy of vaporization is recorded as {'amount': '+276.7'}[26].
  • acetic anhydride's vapor pressure is recorded as {'amount': '+4'}[27].

Why It Matters

acetic anhydride ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (8,811 views/month).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[28] It is known by 72 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). acetic anhydride. Retrieved May 3, 2026, from https://4ort.xyz/entity/acetic-anhydride
MLA “acetic anhydride.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/acetic-anhydride.
BibTeX @misc{4ortxyz_acetic-anhydride_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{acetic anhydride}}, year = {2026}, url = {https://4ort.xyz/entity/acetic-anhydride}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): acetic anhydride — https://4ort.xyz/entity/acetic-anhydride (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/acetic-anhydride · 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. 2d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 12580, 012580
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 012580, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  2. 10d ago · Kareyac · 2026-09-15 view diff on Wikidata ↗
    Described by source → Brockhaus and Efron Encyclopedic Dictionary
    "/* wbremoveclaims-remove:1| */ [[Property:P1343]]: [[Q2657718]]"
  3. 21d ago · ~2026-48116-81 · 2026-09-04 view diff on Wikidata ↗
    Different from → butane-2,3-dione
    P14834 → Q141130842
    "/* wbsetclaim-create:2||1 */ [[Property:P1889]]: [[Q408916]]"
  4. 10w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Electrical conductivity → {'amount': '+0.00000048'}
    Thermal conductivity → {'amount': '+0.0002209'}
    Time-weighted average exposure limit → {'amount': '+20'}, {'amount': '+5'}, {'amount': '+21'} +2
    Electric dipole moment → {'amount': '+2.8'}
    + 34 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.