methylene blue

chemical compound
ChemicalSubstance type_of_chemical_entity Q422134
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methylene blue

Summary

methylene blue is a type of chemical entity[1]. It ranks in the top 0.38% of type_of_chemical_entity entities by monthly Wikipedia readership (11,859 views/month, #48 of 12,596).[2]

Key Facts

  • methylene blue's instance of is recorded as type of chemical entity[3].
  • methylene blue's canonical SMILES is recorded as CN(C)C1=CC2=C(C=C1)N=C3C=CC(=N+C)C=C3S2.[Cl-]N+C)C=C3S2.[Cl-]">[4].
  • methylene blue's chemical formula is recorded as C₁₆H₁₈ClN₃S[5].
  • methylene blue is a type of chemical compound[6].
  • methylene blue is used for staining dye[7].
  • methylene blue's Commons category is recorded as Methylene blue[8].
  • methylene blue comprises nitrogen[9].
  • methylene blue comprises sulfur[10].
  • methylene blue comprises carbon[11].
  • methylene blue's described at URL is recorded as https://www.sciencealert.com/can-this-blue-chemical-really-boost-your-brain-heres-what-we-know[12].
  • methylene blue's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[13].
  • methylene blue's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[14].
  • methylene blue's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[15].
  • methylene blue's described by source is recorded as Armenian Soviet Encyclopedia, vol. 7[16].
  • methylene blue's different from is recorded as methyl blue[17].
  • methylene blue's mass is recorded as {'unit': 'Q483261', 'amount': '+319.090996'}[18].
  • methylene blue's decomposition point is recorded as {'unit': 'Q25267', 'amount': '+105'}[19].
  • methylene blue's World Health Organisation international non-proprietary name is recorded as {'lang': 'en', 'text': 'methylthioninium chloride'}[20].
  • methylene blue's subject has role is recorded as enzyme inhibitor[21].
  • methylene blue's subject has role is recorded as bactericide[22].
  • methylene blue's subject has role is recorded as essential medicine[23].
  • methylene blue's pregnancy category is recorded as US pregnancy category X[24].
  • methylene blue's legal status is recorded as boxed warning[25].

Why It Matters

methylene blue ranks in the top 0.38% of type_of_chemical_entity entities by monthly Wikipedia readership (11,859 views/month, #48 of 12,596).[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[26] It is known by 54 alternative names across languages and contexts.[27]

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] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . DrugBank. Retrieved . wikidata.org.
  18. [20] . ChEBI. Retrieved . wikidata.org.
  19. [21] . Medical Subject Headings. Retrieved . wikidata.org.
  20. [22] . ChEBI. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . nctr-crs.fda.gov. nctr-crs.fda.gov. Provenance: wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. wikidata.org.
  3. [27] . 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). methylene blue. Retrieved May 3, 2026, from https://4ort.xyz/entity/methylene-blue
MLA “methylene blue.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/methylene-blue.
BibTeX @misc{4ortxyz_methylene-blue_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{methylene blue}}, year = {2026}, url = {https://4ort.xyz/entity/methylene-blue}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): methylene blue — https://4ort.xyz/entity/methylene-blue (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/methylene-blue · 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. 8d ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Described at url https://www.sciencealert.com/can-this-blue-chemical-really-b
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007529312605171, mv to monolingual text names on J9U statements"
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