(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate
(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate (CAS: 1204518-02-4) is a diaryliodonium salt with the molecular formula C17H18F3IO3S and a molecular weight of 486.29 g/mol. This compound serves as a valuable reagent in organic synthesis. Its utility lies in its ability to participate in various cross-coupling reactions and to act as a source of aryl or alkyl groups in the formation of new carbon-carbon and carbon-heteroatom bonds, facilitating complex molecule construction.
- IUPAC
- (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium trifluoromethanesulfonate,Mesityl(p-tolyl)iodonium triflate
- Synonyms
- 1204518-02-4C17H18F3IO3S(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium trifluoromethanesulfonateMesityl(p-tolyl)iodonium triflate

Organic Synthesis Reagent
This diaryliodonium salt is employed as a versatile reagent in diverse organic transformations, including cross-coupling reactions. It facilitates the introduction of aryl and alkyl moieties, enabling the synthesis of complex organic molecules.
Catalysis and Ligand Development
Compounds of this class can be utilised in the development of novel catalytic systems or as precursors to ligands. Their unique electronic properties lend themselves to exploring new reaction pathways in catalysis.
Materials Science Research
The specific structure of this iodonium salt may find applications in materials science, potentially as a component in the synthesis of functional organic materials or polymers where specific aryl group incorporation is desired.
| Molecular weight | 486.29 |
|---|---|
| Empirical formula | C17H18F3IO3S |
| Assay | ≥98.0% (HPLC) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-45 |
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 (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate used for?
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(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate is primarily used as a reagent in organic synthesis for various transformations and to introduce aryl or alkyl groups into molecules.
What is the CAS number and chemical formula for this compound?
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The CAS number is 1204518-02-4, and the empirical formula is C17H18F3IO3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a purity of ≥98.0% by HPLC. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary hazards associated with this chemical?
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This compound is classified as acutely toxic if swallowed and causes skin and serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment in a well-ventilated area.
How is (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate packaged and shipped?
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This chemical is shipped under UN 2811, 6.1, PGIII regulations. Packaging is designed to maintain product integrity and comply with all transport regulations for hazardous materials. TSS exports globally.
How can I request a sample or quote for this product?
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Please contact our sales team through the website or by phone to request a sample or a quotation for (4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium triflate.
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