Iron(III) trifluoromethanesulfonate
Iron(III) trifluoromethanesulfonate (CAS 63295-48-7), with the empirical formula C3F9FeO9S3 and a molecular weight of 503.05 g/mol, is a versatile iron salt. It functions as a potent Lewis acid catalyst. Its primary applications lie in organic synthesis, particularly in catalysing various coupling reactions and cycloadditions. This compound is a valuable reagent in academic research and industrial chemical development for promoting specific transformations.
- IUPAC
- Ferric triflate,Fe(CF3SO3)3,Fe(CF3SO3)3,Fe(OTf)3,Ferric triflate,Ferric trifluoromethanesulfonate,Iron 1,1,1-trifluoromethanesulfonic acid,Iron(III) triflate
- Synonyms
- Ferric triflateFe(CF3SO3)3Ferric trifluoromethanesulfonateIron(III) triflate

Catalysis in Organic Synthesis
Iron(III) triflate serves as an effective Lewis acid catalyst for a range of organic transformations. It is frequently employed in Diels-Alder reactions, Friedel-Crafts alkylations and acylations, and various cyclisation processes due to its ability to activate substrates.
Promoting Coupling Reactions
This iron compound can catalyse carbon-carbon bond-forming reactions, such as cross-coupling reactions. Its application helps in the efficient construction of complex molecular architectures.
Research and Development
As a specialised reagent, Iron(III) trifluoromethanesulfonate is utilised in academic and industrial research laboratories for exploring novel synthetic methodologies and developing new chemical entities.
| Molecular weight | 503.05 |
|---|---|
| Empirical formula | C3F9FeO9S3 |
| Assay | 90% |
| Melting point | 183 °C |

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 |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Iron(III) trifluoromethanesulfonate used for?
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Iron(III) trifluoromethanesulfonate is primarily used as a Lewis acid catalyst in organic synthesis for promoting reactions such as Diels-Alder, Friedel-Crafts alkylations/acylations, and various coupling and cyclisation reactions.
What are the CAS number and formula for Iron(III) trifluoromethanesulfonate?
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The CAS number is 63295-48-7 and the empirical formula is C3F9FeO9S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iron(III) trifluoromethanesulfonate with an assay of 90%. This is a technical grade; TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
How should Iron(III) trifluoromethanesulfonate be handled?
+
Handle with care to avoid dust formation and inhalation. Wear a dust mask type N95 (US), eyeshields, and gloves. It is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
How is Iron(III) trifluoromethanesulfonate packed and shipped?
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Products are carefully packed according to international shipping regulations. TSS is an experienced global supplier and exporter of fine chemicals and reagents.
How can I request a sample or quote for Iron(III) trifluoromethanesulfonate?
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Please contact our sales team via the website or email to request a sample or a quotation for your specific requirements.
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