Congo red

chemical compound
ChemicalSubstance type_of_chemical_entity Q114391
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Congo red

Summary

Congo red is a type of chemical entity[1]. It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Congo red's instance of is recorded as type of chemical entity[3].
  • Republic of the Congo is named after Congo red[4].
  • Congo red's canonical SMILES is recorded as C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+][5].
  • Congo red's chemical formula is recorded as C₃₂H₂₂N₆Na₂O₆S₂[6].
  • Congo red is a type of chemical compound[7].
  • Congo red is used for dye[8].
  • Congo red's Commons category is recorded as Congo red[9].
  • Congo red's catalog is recorded as CAS COVID-19 Anti-Viral Candidate Compounds[10].
  • Congo red's described by source is recorded as Armenian Soviet Encyclopedia, vol. 5[11].
  • Congo red's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[12].
  • Congo red's different from is recorded as Congo red free acid[13].
  • Congo red's mass is recorded as {'unit': 'Q483261', 'amount': '+696.0837629840004'}[14].
  • Congo red's subject has role is recorded as pH indicator[15].

Why It Matters

Congo red has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2] It is known by 15 alternative names across languages and contexts.[16]

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. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Medical Subject Headings. Retrieved . 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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [16] . 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). Congo red. Retrieved May 3, 2026, from https://4ort.xyz/entity/congo-red
MLA “Congo red.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/congo-red.
BibTeX @misc{4ortxyz_congo-red_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Congo red}}, year = {2026}, url = {https://4ort.xyz/entity/congo-red}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Congo red — https://4ort.xyz/entity/congo-red (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/congo-red · 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. 29d ago · Comfyquiettree · 2026-06-06 view diff on Wikidata ↗
    Subclass of
    Subject has role pH indicator
    Subclass of chemical compound
    Mass {'unit': 'Q483261', 'amount': '+696.0837629840004'}
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P3471]]: 52279, Matched to [[:toollabs:mix-n-match/#/entry/78313729|Kongo červeň (#78313729)]] in [[:toollabs:mix-n-match/#/catalog/2686|WikiSkripta]] #mix'n'ma"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.