ethidium bromide

chemical compound
ChemicalSubstance type_of_chemical_entity Q408634
Press Enter · cited answer in seconds

Summary

ethidium bromide is a type of chemical entity[1]. It ranks in the top 5% of type of chemical entity entities by monthly Wikipedia readership (1,488 views/month).[2]

Key Facts

  • Canonical SMILES: Br.CCn1c2cc(=N)ccc-2c2ccc(N)cc2c1-c1ccccc1[3]
  • Chemical formula: C₂₁H₂₀BrN₃[4]
  • Subclass of: chemical compound[5]
  • Has use: indicators and reagents[6], gel electrophoresis[7], Ethidium homodimer assay[8]
  • Commons category: Ethidium bromide[9]
  • Has part(s): nitrogen[10], carbon[11], bromine[12], hydrogen[13]
  • Has characteristic: bitterness[14]
  • Mass: 393.08406 dalton[15]
  • Melting point: 248.5 °C[16]
  • Subject has role: enzyme inhibitor[17], fluorophore[18], trypanocidal agent[19], nicotinic antagonist[20], bactericide[21]
  • Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[22]

Why It Matters

ethidium bromide has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[23] It is known by 55 alternative names across languages and contexts.[24]

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] ↑ . wikidata.org.
  4. [6] ↑ . Medical Subject Headings. Retrieved . 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] ↑ . BitterDB. wikidata.org.
  13. [15] ↑ . PubChem. Retrieved . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Medical Subject Headings. Retrieved . wikidata.org.
  16. [18] ↑ . Medical Subject Headings. Retrieved . wikidata.org.
  17. [19] ↑ . Medical Subject Headings. Retrieved . wikidata.org.
  18. [20] ↑ . Medical Subject Headings. Retrieved . wikidata.org.
  19. [21] ↑ . ChEBI. wikidata.org.
  20. [22] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] ↑ . Wikidata sitelinks. wikidata.org.
  3. [24] ↑ . 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). ethidium bromide. Retrieved October 16, 2026, from https://4ort.xyz/entity/ethidium-bromide
MLA “ethidium bromide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/ethidium-bromide.
BibTeX @misc{4ortxyz_ethidium-bromide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ethidium bromide}}, year = {2026}, url = {https://4ort.xyz/entity/ethidium-bromide}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ethidium bromide — https://4ort.xyz/entity/ethidium-bromide (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/ethidium-bromide · 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. 4d ago · TiagoLubiana · 2026-10-12 view diff on Wikidata ↗
    Biological imaging methods ontology id → 00000038
    Sitelink count → 34
    Wikipedia languages → ['ar', 'azb', 'bg', 'ca', 'commons', 'cs', 'de', 'en', 'es', 'eu', 'fa', 'fi', '
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Biological imaging methods ontology id: 00000038, Matched to [[:toollabs:mix-n-match/#/entry/262961045|ethidium bromide (#262961045)]] in [[:toollabs:mix-n-match/#/catalog"
  2. 17w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts → —
    Instance of → type of chemical entity
    Has characteristic → bitterness
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.