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triflic acid

chemical compound
Class type of: monoprotic acid, perfluorinated compound, sulfonic acid Q304850

Facts

16 properties
Instance of
type of chemical entity
Subclass of
monoprotic acid, perfluorinated compound, sulfonic acid, superacid, triflate, per- and polyfluoroalkyl substances[4][5][6][7][8][9]
Short name
TfOH[18]
Boiling point
+162[22]
Canonical SMILES
C(F)(F)(F)S(=O)(=O)O[2]
Chemical formula
CHF₃O₃S[3]
Conjugate base
triflate[24]
Density
+1.690[19]
Has characteristic
hygroscopic agent[17]
Has part(s)
oxygen, sulfur, fluorine, carbon, trifluoromethanesulfonate, hydrogen[10][11][12][13][14][15]
Mass
+149.96[20]
Melting point
-40.0[21]
On focus list of Wikimedia project
concrete/abstract disjunction anomalies[26]
PKa
-14.27[16]
Safety classification and labelling
Regulation (EC) No. 1272/2008[25]
Vapor pressure
+10[23]
🏷️ Also known as
en trifluoromethanesulfonic acid en trifluoromethanesulphonic acid en 1,1,1-trifluoromethanesulfonic acid en CF3SO3H en HOTf en perfluoromethanesulfonic acid en TfOH en triflic acid en Triflic acid en trifluoromethane sulfonic acid cs kyselina trifluormethansulfonová de Trifluormethansulfonsäure es Acido trifluorometansulfonico es Ácido trifluorometansulfónico fa تری‌فلوئورومتان‌سولفونیک اسید fi trifluorimetaanisulfonihappo fr acide trifluorométhanesulfonique he חומצה טריפלואורומתאנגופריתית hi ट्राइफ्लोरोमिथेनसल्फोनिक अम्ल it acido trifluorometansolfonico
🔖 Identifiers · 26
OpenAlex ID
C2779128551
CAS Registry Number
1493-13-6
ChEBI ID
48511
ChEMBL ID
CHEMBL1236265
ChemSpider ID
56192
DSSTOX compound identifier
DTXCID0024397
DSSTox substance ID
DTXSID2044397, DTXSID70892979
EC number
216-087-5
ECHA Substance Infocard ID
100.014.625
Freebase ID
/m/0bl8_z
Gmelin number
2805
InChI
InChI=1S/CHF3O3S/c2-1(3,4)8(5,6)7/h(H,5,6,7)
Show all 26 identifiers +14
InChIKey
ITMCEJHCFYSIIV-UHFFFAOYSA-N
MassBank accession ID
MSBNK-Eawag-EQ383651, MSBNK-Eawag-EQ383652, MSBNK-Eawag-EQ383654, MSBNK-Eawag-EQ383656, MSBNK-Eawag-EQ383657, MSBNK-Eawag-EQ383658, MSBNK-Eawag-EQ383653, MSBNK-Eawag-EQ383659, MSBNK-Eawag-EQ383655
Microsoft Academic ID (discontinued)
2779128551
PDB ligand ID
TFS
PDB structure ID
2Q0M
PubChem CID
62406, 71773376
Reaxys registry number
1812100
Römpp online ID
RD-20-02882
Spectral Database for Organic Compounds ID
4264
SureChEMBL ID
10.4M (295–10.4M, n=3)
UN number
3265
UNII
JE2SY203E8
UniChem compound ID
645021
ZVG number
494000

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🔗 Connections
Has part(s) 6
hydrogen, oxygen, carbon, sulfur, fluorine, trifluoromethanesulfonate
Subclass of 5
sulfonic acid, superacid, per- and polyfluoroalkyl substances, perfluorinated compound, monoprotic acid
← Different from 2
teflic acid, triflidic acid
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Summary

triflic acid is a type of chemical entity[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . PubChem. Retrieved . wikidata.org.
  2. [3] ↑ . PubChem. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Advancing PFAS Detection through Machine Learning Prediction of 19 F NMR Spectra. wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . Acidity of Strong Acids in Water and Dimethyl Sulfoxide. wikidata.org.
  16. [17] ↑ . assets.thermofisher.com. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . assets.thermofisher.com. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  19. [20] ↑ . PubChem. Retrieved . wikidata.org.
  20. [21] ↑ . Jean-Claude Bradley Open Melting Point Dataset. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  21. [22] ↑ . assets.thermofisher.com. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  22. [23] ↑ . assets.thermofisher.com. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . assets.thermofisher.com. Retrieved . assets.thermofisher.com. Provenance: wikidata.org.
  25. [26] ↑ . 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). triflic acid. Retrieved November 2, 2026, from https://4ort.xyz/entity/triflic-acid
MLA “triflic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/triflic-acid.
BibTeX @misc{4ortxyz_triflic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{triflic acid}}, year = {2026}, url = {https://4ort.xyz/entity/triflic-acid}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): triflic acid — https://4ort.xyz/entity/triflic-acid (retrieved 2026-11-02)

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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. 12w ago · Dhx1 · 2026-08-08 view diff on Wikidata ↗
    Safety classification and labelling → Regulation (EC) No. 1272/2008
    "/* wbsetclaim-create:2||1 */ Safety classification and labelling: Regulation (EC) No. 1272/2008"
  2. 20w ago · JhealdBatch bot · 2026-06-16 view diff on Wikidata ↗
    Subclass of → —
    Melting point → {'unit': 'Q25267', 'amount': '-40.0'}
    On focus list of Wikimedia project → concrete/abstract disjunction anomalies
    Conjugate base → triflate
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36807|batch #36807]]: tag for concrete/abstract disjunction anomaly"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.