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picrylsulfonic acid

chemical compound
Class type of: monoprotic acid, trinitrobenzene, monocyclic compound Q4596773

Facts

7 properties
Instance of
type of chemical entity
Subclass of
monoprotic acid, trinitrobenzene, monocyclic compound, oxidizing acid, benzenesulfonic acid
Canonical SMILES
C1=C(C=C(C(=C1[N+](=O)[O-])S(=O)(=O)O)[N+](=O)[O-])[N+](=O)[O-]
Chemical formula
C₆H₃N₃O₉S
Mass
+292.959
On focus list of Wikimedia project
concrete/abstract disjunction anomalies
Safety classification and labelling
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
🏷️ Also known as
en trinitrobenzenesulfonic acid en 2,4,6-trinitrobenzene-1-sulfonic acid en 2,4,6-trinitrobenzenesulfonic acid en picryl sulfonic acid en picrylsulfonic acid en TNBS de Trinitrobenzolsulfonsäure fa ۲،۴،۶-تری‌نیتروبنزن‌سولفونیک اسید id Asam 2,4,6-trinitrobenzenasulfonat pl kwas 2,4,6-trinitrobenzenosulfonowy pl kwas pikrylosulfonowy pl TNBS
🔖 Identifiers · 26
CAMEO Chemicals ID
12889
CAS Registry Number
2508-19-2
ChEBI ID
53063
ChEMBL ID
CHEMBL3586251
ChemSpider ID
10577
DSSTOX compound identifier
DTXCID8023715
DSSTox substance ID
DTXSID0043715
EC number
219-717-7
ECHA Substance Infocard ID
100.017.925
Freebase ID
/m/0bh90kn
Gmelin number
1051138
HSDB ID
7856
Show all 26 identifiers +14
Human Metabolome Database ID
HMDB0245692
IEDB Epitope ID
1972663
InChI
InChI=1S/C6H3N3O9S/c10-7(11)3-1-4(8(12)13)6(19(16,17)18)5(2-3)9(14)15/h1-2H,(H,16,17,18)
InChIKey
NHJVRSWLHSJWIN-UHFFFAOYSA-N
MeSH descriptor ID
D014302
MeSH tree code
D02.455.426.559.389.565.880.880, D02.640.529.880.900, D02.886.645.600.080.900
Microsoft Academic ID (discontinued)
2777945158, 2910306331
NSC number
127994
PubChem CID
11045
Reaxys registry number
572358
SureChEMBL ID
125304
UN number
0386
UNII
8T3HQG2ZC4
UniChem compound ID
1099662

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🔗 Connections
Subclass of 2
oxidizing acid, monoprotic acid
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Summary

picrylsulfonic acid is a type of chemical entity[1]. It is a type of monoprotic acid[2], trinitrobenzene[3], monocyclic compound[4], and oxidizing acid[5].

Key Facts

  • Canonical SMILES: C1=C(C=C(C(=C1N+[O-])S(=O)(=O)O)N+[O-])N+[O-]N+[O-])S(=O)(=O)O)N+[O-])N+[O-]">[6]
  • Chemical formula: C₆H₃N₃O₉S[7]
  • Subclass of: benzenesulfonic acid[8]
  • Mass: 292.959 dalton[9]
  • Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[10]
  • On focus list of Wikimedia project: concrete/abstract disjunction anomalies[11]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [6] ↑ . PubChem. Retrieved . wikidata.org.
  2. [7] ↑ . PubChem. Retrieved . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [5] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . PubChem. Retrieved . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). picrylsulfonic acid. Retrieved November 10, 2026, from https://4ort.xyz/entity/picrylsulfonic-acid
MLA “picrylsulfonic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/picrylsulfonic-acid.
BibTeX @misc{4ortxyz_picrylsulfonic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{picrylsulfonic acid}}, year = {2026}, url = {https://4ort.xyz/entity/picrylsulfonic-acid}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): picrylsulfonic acid — https://4ort.xyz/entity/picrylsulfonic-acid (retrieved 2026-11-10)

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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. 21w ago · JhealdBatch bot · 2026-06-16 view diff on Wikidata ↗
    On focus list of Wikimedia project → concrete/abstract disjunction anomalies
    Mass → 292.959 dalton
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Haza
    Subclass of → monoprotic acid, trinitrobenzene, monocyclic compound +1
    + 1 other property edited (see Wikidata diff for full list)
    "Changed the item: QuickStatements 3.0 batch #36807: tag for concrete/abstract disjunction anomaly"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.