Diphenyliodonium p-toluenesulfonate
Diphenyliodonium p-toluenesulfonate (CAS: 6293-66-9) is a specialized organic compound with a molecular weight of 452.31 g/mol. It functions primarily as a cationic photoinitiator and a photoacid generator (PAG). Its applications are concentrated in advanced materials science and microelectronics, particularly in the formulation of photoresists and in processes involving photopolymerization and self-assembly. The electronic grade purity ensures high performance in demanding applications.
- IUPAC
- DPIpTS
Cationic Photoinitiator
This compound acts as an efficient cationic photoinitiator, enabling the rapid polymerization of monomers upon exposure to UV light. It is crucial in applications requiring precise spatial control of polymerisation, such as in coatings and adhesives.
Photoacid Generator (PAG)
As a photoacid generator, Diphenyliodonium p-toluenesulfonate liberates strong acids upon irradiation. This property is fundamental in photolithography for the fabrication of microelectronic devices, where patterned acid generation defines circuit features.
Materials Science
Its utility extends to various areas of materials science, including the development of novel polymers and functional materials. It facilitates polymer synthesis and modification through light-induced chemical reactions.
Micro/NanoElectronics
The compound is employed in the micro- and nanoelectronics industry, especially in the manufacturing of photoresists. Its ability to generate acids upon UV exposure is key to creating intricate patterns on semiconductor substrates.
| Molecular weight | 452.31 |
|---|---|
| Linear formula | (C6H5)2IC6H4(SO3)CH3 |
| Assay | ≥99% trace metals basis |
| Grade | electronic grade |
| Solubility | PGMEA: ethyl lactate: γ-butyrolactone: ~5% |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 188-191 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 222 nm |
|---|
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 p-toluenesulfonate used for?
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Diphenyliodonium p-toluenesulfonate is primarily used as a cationic photoinitiator and a photoacid generator (PAG). It finds applications in materials science, micro/nanoelectronics, photolithography, and polymerization processes.
What are the CAS number and chemical formula?
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The CAS number for Diphenyliodonium p-toluenesulfonate is 6293-66-9. Its linear formula is (C6H5)2IC6H4(SO3)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenyliodonium p-toluenesulfonate in electronic grade with an assay of ≥99% on a trace metals basis.
What are the safety and handling recommendations?
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Users should wear Eyeshields and Gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Please consult the Safety Data Sheet for comprehensive handling information. The WGK Germany classification is 3.
How is this chemical typically packed and shipped?
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Tech Serve Solutions ensures that all products, including Diphenyliodonium p-toluenesulfonate, are packed and shipped in compliance with international regulations for chemical export.
How can I request a quote or sample?
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To request a quote or a sample of Diphenyliodonium p-toluenesulfonate, please contact our sales team through the website or via direct inquiry.
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