Indium(III) trifluoromethanesulfonate
Indium(III) trifluoromethanesulfonate (CAS: 128008-30-0), with the molecular formula (CF3SO3)3In and a molecular weight of 562.03 g/mol, is a versatile Lewis acid catalyst. It plays a significant role in organic synthesis, facilitating various chemical transformations. Indium(III) triflate is also utilised as a co-catalyst in catalytic systems, demonstrating its utility in both academic research and industrial chemical processes.
- IUPAC
- In(OTf)3,In(TFA)3,Indium(III) triflate,Trifluoromethanesulfonic acid indium(III) salt,Tris(trifluoromethanesulfonato)indium
- Synonyms
- Indium(III) triflateIndium(III) trifluoromethanesulfonateTrifluoromethanesulfonic acid indium(III) saltTris(trifluoromethanesulfonato)indium

Lewis Acid Catalysis
Serves as an effective Lewis acid catalyst in a wide array of organic reactions. Its ability to coordinate with electron-rich species makes it valuable for promoting transformations such as cycloadditions, Diels-Alder reactions, and Friedel-Crafts reactions.
Co-catalyst in Catalytic Systems
Functions as a co-catalyst, enhancing the activity and selectivity of other catalytic processes. This application is crucial in complex synthetic pathways where synergistic effects between catalysts are required for efficient product formation.
Organic Synthesis Reagent
Employed as a reagent in general organic synthesis for its unique catalytic properties. It enables chemists to achieve specific functional group transformations and construct complex molecular architectures.
| Molecular weight | 562.03 |
|---|---|
| Linear formula | (CF3SO3)3In |
| Application | Reagent used a Lewis acid catalyst in organic synthesis and as a co-catalyst in catalysis. |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Indium(III) trifluoromethanesulfonate used for?
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Indium(III) trifluoromethanesulfonate is primarily used as a Lewis acid catalyst in organic synthesis and as a co-catalyst in various catalytic systems.
What is the CAS number and formula for Indium(III) trifluoromethanesulfonate?
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The CAS number is 128008-30-0 and the linear formula is (CF3SO3)3In.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and purity are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Indium(III) trifluoromethanesulfonate be handled?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (NIOSH N95 or equivalent). Avoid breathing dust and ensure adequate ventilation. It is classified as a Warning substance with hazards including skin, eye, and respiratory irritation (H315-H319-H335).
Is Indium(III) trifluoromethanesulfonate a controlled substance?
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The provided data does not indicate that Indium(III) trifluoromethanesulfonate is a controlled substance.
How is this chemical shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of chemicals. We adhere to all relevant shipping regulations for hazardous materials to ensure safe and compliant delivery worldwide.
How can I request a sample or quote?
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Please contact our sales department through the website or by phone to request a sample or a detailed quotation for Indium(III) trifluoromethanesulfonate.
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