nigrosin

chemical compound
ChemicalSubstance type_of_chemical_entity Q1876481
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nigrosin

Summary

nigrosin is a type of chemical entity[1]. nigrosin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (16 views/month).[2]

Key Facts

  • nigrosin's instance of is recorded as type of chemical entity[3].
  • nigrosin's chemical structure is recorded as NigrosinChemDraw.png[4].
  • nigrosin's canonical SMILES is recorded as C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)N+[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]N+[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]">[5].
  • nigrosin's InChI is recorded as InChI=1S/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(35,36)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(32,33)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31;;/h1-11,24H,23H2,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b26-25+,27-21+;;[6].
  • nigrosin's InChIKey is recorded as HKBVRFLHNUEVRO-UHFFFAOYSA-L[7].
  • nigrosin's chemical formula is recorded as C₂₂H₁₄N₆Na₂O₉S₂[8].
  • nigrosin's subclass of is recorded as aniline dyes[9].
  • nigrosin's Freebase ID is recorded as /m/025wv7x[10].
  • nigrosin's ChemSpider ID is recorded as 25021306[11].
  • nigrosin's PubChem CID is recorded as 44134531[12].
  • nigrosin's Art & Architecture Thesaurus ID is recorded as 300311488[13].
  • nigrosin's Art & Architecture Thesaurus ID is recorded as 300311487[14].
  • nigrosin's Gran Enciclopèdia Catalana ID is recorded as 0276656[15].
  • nigrosin's isomeric SMILES is recorded as C1=CC=C(C=C1)N/N=C/2\C(=CC3=CC(=C(C(=C3C2=O)N)/N=N/C4=CC=C(C=C4)N(=O)=O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+][16].
  • nigrosin's mass is recorded as {'unit': 'Q483261', 'amount': '+616.005907'}[17].
  • nigrosin's Römpp online ID is recorded as RD-14-01217[18].
  • nigrosin's Microsoft Academic ID is recorded as 132622692[19].
  • nigrosin's Great Encyclopedia of Cyril and Methodius entry ID is recorded as Нигрозины[20].
  • nigrosin's Great Russian Encyclopedia portal ID is recorded as nigroziny-a4319b[21].
  • nigrosin's Gran Enciclopèdia Catalana ID is recorded as nigrosina[22].

Why It Matters

nigrosin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (16 views/month).[2] nigrosin has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[23]

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] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . Art & Architecture Thesaurus. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Q2311683. Retrieved . wikidata.org.
  10. [12] . PubChem. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Q2311683. Retrieved . wikidata.org.
  15. [17] . PubChem. Retrieved . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . 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.

📑 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). nigrosin. Retrieved May 3, 2026, from https://4ort.xyz/entity/nigrosin
MLA “nigrosin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/nigrosin.
BibTeX @misc{4ortxyz_nigrosin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{nigrosin}}, year = {2026}, url = {https://4ort.xyz/entity/nigrosin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): nigrosin — https://4ort.xyz/entity/nigrosin (retrieved 2026-05-03)

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