Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate
Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate (CAS: 131717-99-2) is a high-purity organic compound with the molecular formula [(CH3)3CC6H4]2IC6H4(SO3)CH3 and a molar mass of 564.52 g/mol. This electronic grade material functions as a potent cationic photoinitiator and photoacid generator. Its primary applications are in advanced photolithography, micro/nanoelectronics fabrication, and polymer science, particularly where precise photochemical processes are required.
![Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate ([(CH3)3CC6H4]2IC6H4(SO3)CH3) — chemical structure, CAS 131717-99-2; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F131717-99-2.png&w=3840&q=75)
Cationic Photoinitiator
As a cationic photoinitiator, Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate is instrumental in initiating cationic polymerization upon exposure to UV light. It is widely used in coatings, adhesives, and advanced lithographic processes.
Photoacid Generator (PAG)
This compound serves as an effective photoacid generator (PAG) in photolithography, releasing acidic species upon irradiation. These acids catalyse chemical changes, enabling high-resolution pattern formation in microelectronics.
Materials Science and Polymerization
Its utility extends to materials science for developing novel polymers and in controlled polymerization techniques. The precise generation of acids facilitates controlled polymer architecture and self-assembly processes.
Micro/Nanoelectronics Fabrication
In micro- and nanoelectronics, it is employed in photoresist formulations for creating intricate patterns on semiconductor wafers. The high purity and specific photochemical properties are critical for these demanding applications.
| Molecular weight | 564.52 |
|---|---|
| Linear formula | [(CH3)3CC6H4]2IC6H4(SO3)CH3 |
| Assay | ≥99% trace metals basis |
| Grade | electronic grade |
| Solubility | PGMEA: γ-butyrolactone: ~10%ethyl lactate: ~10% |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 237-240 °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 202 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 Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate primarily used for?
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Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate is primarily used as a cationic photoinitiator and a photoacid generator (PAG) in advanced photolithography, micro/nanoelectronics fabrication, and polymer science.
What is the CAS number and chemical formula for Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate?
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The CAS number is 131717-99-2 and the chemical formula is [(CH3)3CC6H4]2IC6H4(SO3)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate in electronic grade with an assay of ≥99% on a trace metals basis.
What are the safety and handling considerations for this compound?
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This compound requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if exposure is possible. It is classified under WGK 2 in Germany, indicating it is hazardous to water.
How is Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate packed, shipped, and exported?
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Tech Serve Solutions safely packs and professionally exports fine chemicals globally, adhering to all relevant shipping and customs regulations.
How can I request a sample or a quote for this product?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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