Date published: 2025-10-20

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Indium(III) trifluoromethanesulfonate (CAS 128008-30-0)

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Alternate Names:
Indium(III) triflate; Indium(III) trifluoromethanesulfonate; Tris(trifluoromethanesulfonato)indium
CAS Number:
128008-30-0
Molecular Weight:
562.03
Molecular Formula:
(CF3SO3)3In
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Indium(III) trifluoromethanesulfonate functions as a Lewis acid catalyst in various organic reactions. Its mechanism of action involves coordinating with electron-rich substrates, activating them for nucleophilic attack or facilitating the formation of new carbon-carbon or carbon-heteroatom bonds. Indium(III) trifluoromethanesulfonate is known to exhibit high catalytic activity and selectivity in a range of synthetic transformations, which may be useful for the development of new chemical processes. Indium(III) trifluoromethanesulfonate may participate in a variety of reactions, including Friedel-Crafts acylation, Diels-Alder cycloaddition, and aldol condensation, among others. Its unique coordination properties and reactivity profile contribute to its potential as a catalyst for the preparation of complex organic molecules.


Indium(III) trifluoromethanesulfonate (CAS 128008-30-0) References

  1. Dual activation in asymmetric allylsilane addition to chiral N-acylhydrazones: method development, mechanistic studies, and elaboration of homoallylic amine adducts.  |  Friestad, GK., et al. 2006. J Org Chem. 71: 281-9. PMID: 16388647
  2. Regioselective indium(III) trifluoromethanesulfonate-catalyzed hydrothiolation of non-activated olefins.  |  Weïwer, M., et al. 2006. Chem Commun (Camb). 332-4. PMID: 16391751
  3. Indium(III) trifluoromethanesulfonate as an efficient catalyst for the deprotection of acetals and ketals.  |  Gregg, BT., et al. 2007. J Org Chem. 72: 5890-3. PMID: 17595139
  4. The binding site of zinc and indium metal to amino acid derivatized squarate complexes - Implications in inhibitor and mediator designs.  |  Ramroop-Singh, N., et al. 2010. Bioorg Chem. 38: 234-41. PMID: 20598337
  5. Regioselective cobalt-catalyzed addition of sulfides to unactivated alkenes.  |  Girijavallabhan, V., et al. 2011. J Org Chem. 76: 6442-6. PMID: 21696198
  6. Indium-catalyzed intramolecular hydroarylation of aryl propargyl ethers.  |  Alonso-Marañón, L., et al. 2015. Org Biomol Chem. 13: 379-87. PMID: 25376147
  7. Indium(III)-Catalyzed Synthesis of Benzo[ b]furans by Intramolecular Hydroalkoxylation of ortho-Alkynylphenols: Scope and Mechanistic Insights.  |  Alonso-Marañón, L., et al. 2018. J Org Chem. 83: 7970-7980. PMID: 29890829
  8. Synthesis, Immunosuppressive Properties, and Mechanism of Action of a New Isoxazole Derivative.  |  Mączyński, M., et al. 2018. Molecules. 23: PMID: 29949951
  9. Intramolecular Diels–Alder reaction of 1,7,9-decatrienoates catalyzed by indium(III) trifluoromethanesulfonate in aqueous media  |  Yanai, H., Saito, A., & Taguchi, T. 2005. Tetrahedron. 61(30): 7087-7093.
  10. Indium (III) trifluoromethanesulfonate as a mild, efficient catalyst for the formation of acetals and ketals in the presence of acid sensitive functional groups  |  Gregg, B. T., Golden, K. C., & Quinn, J. F. 2008. Tetrahedron. 64(15): 3287-3295.
  11. On the structure of the N, N′-dimethylpropyleneurea and dimethylsulfoxide solvated gallium (III) and indium (III) ions and bromide complexes in solution and solid state, and the complex formation of the gallium (III) and indium (III) bromide systems in N, N′-dimethylpropyleneurea  |  Topel, Ö., Persson, I., Lundberg, D., & Ullström, A. S. 2010. Inorganica chimica acta. 363(5): 988-994.
  12. Synthesis of α-CF3 azanorbornene and azetidines by aza Diels–Alder or iodine-mediated cyclizations: application in ROMP and ligand design  |  Berger, G., Fusaro, L., Luhmer, M., van Der Lee, A., Crousse, B., & Meyer, F. 2014. Tetrahedron letters. 55(46): 6339-6342.
  13. Catalytic demethylation of organosolv lignin in aqueous medium using indium triflate under microwave irradiation  |  Podschun, J., Saake, B., & Lehnen, R. 2017. Reactive and Functional Polymers. 119: 82-86.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Indium(III) trifluoromethanesulfonate, 5 g

sc-228341
5 g
$89.00