indigo

chemical compound; food additive and dye
ChemicalSubstance type_of_chemical_entity Q422662
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indigo

Summary

indigo is a type of chemical entity[1]. indigo ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (2,369 views/month).[2]

Key Facts

  • indigo's instance of is recorded as type of chemical entity[3].
  • indigo followed blue[4].
  • indigo was followed by violet[5].
  • indigo's canonical SMILES is recorded as C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2[6].
  • indigo's chemical formula is recorded as C₁₆H₁₀N₂O₂[7].
  • indigo is a type of natural dye[8].
  • indigo is a type of food additive[9].
  • indigo is a type of organic pigment[10].
  • indigo is a type of indole alkaloid[11].
  • indigo's Commons category is recorded as Indigo dye[12].
  • indigo's color is recorded as blue[13].
  • indigo comprises nitrogen[14].
  • indigo comprises carbon[15].
  • indigo's found in taxon is recorded as Isatis tinctoria[16].
  • indigo's found in taxon is recorded as Couroupita guianensis[17].
  • indigo's found in taxon is recorded as Indigofera suffruticosa[18].
  • indigo's found in taxon is recorded as Indigofera truxillensis[19].
  • indigo's found in taxon is recorded as Persicaria tinctoria[20].
  • indigo's found in taxon is recorded as Koanophyllon simillimum[21].
  • indigo's described by source is recorded as Nordisk familjebok[22].
  • indigo's described by source is recorded as Pauly–Wissowa[23].
  • indigo's described by source is recorded as Conservation and Art Materials Encyclopedia Online[24].
  • indigo's described by source is recorded as The Pigment Compendium: A Dictionary of Historical Pigments[25].
  • indigo's described by source is recorded as The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[26].
  • indigo's described by source is recorded as Armenian Soviet Encyclopedia, vol. 4[27].

Body

Works and Contributions

Things named for indigo include indigo[28], a traditional color of Japan[29].

Why It Matters

indigo ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (2,369 views/month).[2] indigo has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[30] indigo is known by 49 alternative names across languages and contexts.[31]

Entities named for indigo include indigo[28], a traditional color of Japan[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] . wikidata.org.
  6. [8] . Art & Architecture Thesaurus. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Art & Architecture Thesaurus. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Alkaloids from the Root of Isatis indigotica. wikidata.org.
  15. [17] . The structure and properties of some indolic constituents in Couroupita guianensis aubl. wikidata.org.
  16. [18] . Immunostimulatory and cytotoxic activities of Indigofera suffruticosa (Fabaceae).. wikidata.org.
  17. [19] . Antioxidant activity of an aqueous fraction obtained from Indigofera truxillensis against ischemia-reperfusion-induced gastric lesions. wikidata.org.
  18. [20] . Production of indoxyl derivatives in indole-supplemented tissue cultures of Polygonum tinctorium. wikidata.org.
  19. [21] . Indigo from Eupatorium laeve. wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . cameo.mfa.org. Retrieved . cameo.mfa.org. Provenance: wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). indigo. Retrieved May 3, 2026, from https://4ort.xyz/entity/indigo-q422662
MLA “indigo.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/indigo-q422662.
BibTeX @misc{4ortxyz_indigo-q422662_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{indigo}}, year = {2026}, url = {https://4ort.xyz/entity/indigo-q422662}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): indigo — https://4ort.xyz/entity/indigo-q422662 (retrieved 2026-05-03)

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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. 1d ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Found in taxon Isatis tinctoria, Couroupita guianensis, Indigofera suffruticosa +3
    Aliases
    Subclass of
    Described by source Nordisk familjebok, Pauly–Wissowa, Conservation and Art Materials Encyclopedia Online +4
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 18804, mv to monolingual text names on YSO statements"
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