Diphenyliodonium triflate
Diphenyliodonium triflate (CAS 66003-76-7) is a specialized organic compound with the linear formula (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>I(CF<sub>3</sub>SO<sub>3</sub>) and a molecular weight of 430.18 g/mol. This photoacid generator is primarily utilised in advanced material science applications, particularly in micro- and nanoelectronics. Its efficacy as a cationic photoinitiator makes it valuable for photopolymerization processes and the formulation of photoresists.
- IUPAC
- DPIT,Diphenyliodonium trifluoromethanesulfonate
- Synonyms
- Diphenyliodonium trifluoromethanesulfonate
Cationic Photoinitiator
Diphenyliodonium triflate serves as an efficient photoinitiator for cationic polymerization. Upon exposure to UV light, it generates strong acids that initiate the polymerization of epoxies, vinyl ethers, and other cationically curable monomers, crucial in coatings and adhesives.
Photoacid Generator (PAG)
As a photoacid generator, this compound is fundamental in photolithography processes for microelectronics. It decomposes upon irradiation to release triflic acid, enabling precise pattern generation in photoresist formulations.
Materials Science and Polymerization
Its role extends to general polymer science, where it can initiate or control polymerization reactions. It finds utility in research and development for creating novel polymeric materials with specific properties through controlled polymerization pathways.
Microelectronics Fabrication
In the realm of micro- and nanoelectronics, Diphenyliodonium triflate is applied in processes requiring high-resolution patterning, such as in the fabrication of integrated circuits and advanced display technologies.
| Molecular weight | 430.18 |
|---|---|
| Linear formula | (C6H5)2I(CF3SO3) |
| Assay | ≥99% |
| Grade | electronic grade |
| Solubility | PGMEA: ~1%γ-butyrolactone: ~25%ethyl lactate: ~5% |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 180-181 °C(lit.) |
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 Diphenyliodonium triflate used for?
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Diphenyliodonium triflate is used as a cationic photoinitiator and a photoacid generator (PAG) in applications such as microelectronics fabrication, photolithography, and polymer science for initiating cationic polymerization.
What are the CAS number and formula for Diphenyliodonium triflate?
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The CAS number for Diphenyliodonium triflate is 66003-76-7, and its linear formula is (C6H5)2I(CF3SO3).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenyliodonium triflate in electronic grade with an assay of ≥99%. TSS does not represent this product as USP, BP, or EP grade.
How should Diphenyliodonium triflate be handled safely?
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Handle Diphenyliodonium triflate with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is Diphenyliodonium triflate a controlled substance?
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The provided data does not indicate that Diphenyliodonium triflate is a controlled substance.
How is Diphenyliodonium triflate packed and exported?
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Diphenyliodonium triflate is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical products.
How can I request a sample or a quote for Diphenyliodonium triflate?
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To request a sample or a quote, please visit the Tech Serve Solutions website or contact our sales department directly, providing the product name and CAS number (66003-76-7).
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