(4-tert-Butylphenyl)diphenylsulfonium triflate
(4-tert-Butylphenyl)diphenylsulfonium triflate (CAS 145612-66-4) is a triflate salt with the molecular formula C23H23F3O3S2 and a molecular weight of 468.55 g/mol. This compound functions as a highly effective photoacid generator (PAG) and cationic photoinitiator. It is widely utilised in advanced materials science, particularly in micro/nanoelectronics for photolithography processes, and in polymer science for initiating polymerization reactions.
- IUPAC
- (4-tert-Butylphenyl)diphenylsulfonium trifluoromethanesulfonate
Photoacid Generator (PAG)
As a PAG, this compound decomposes upon UV irradiation to generate a strong acid. This generated acid is crucial for catalysing chemical transformations in photoresist formulations and other light-curable systems.
Cationic Photoinitiator
It effectively initiates cationic polymerization of epoxides, vinyl ethers, and other monomers. This process is essential in UV-curable coatings, adhesives, and inks, offering rapid curing and excellent material properties.
Micro/Nanoelectronics Fabrication
Its ability to generate acid makes it valuable in photolithography for semiconductor manufacturing and the creation of micro/nano-scale electronic components. It plays a role in advanced photoresist technologies.
Polymer Science
This compound serves as a reagent for polymerization, enabling controlled synthesis of polymers with specific architectures and properties through cationic mechanisms initiated by light.
| Molecular weight | 468.55 |
|---|---|
| Empirical formula | C23H23F3O3S2 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 114-117 °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.
| Absorption | λmax 238 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 (4-tert-Butylphenyl)diphenylsulfonium triflate used for?
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(4-tert-Butylphenyl)diphenylsulfonium triflate is primarily used as a photoacid generator (PAG) and a cationic photoinitiator. It is essential in applications such as photolithography for micro/nanoelectronics, UV-curable coatings, inks, adhesives, and in polymer science for initiating polymerization.
What are the CAS number and formula for this chemical?
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The CAS number for (4-tert-Butylphenyl)diphenylsulfonium triflate is 145612-66-4. Its empirical formula (Hill Notation) is C23H23F3O3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound as a research or technical grade chemical. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications. Please refer to the specific product batch for assay details.
What are the safety and handling precautions for this compound?
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This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Ensure good ventilation and avoid inhaling dust. In case of contact, follow the precautionary statements (P261, P305 + P351 + P338).
How is (4-tert-Butylphenyl)diphenylsulfonium triflate packed and shipped?
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Tech Serve Solutions packs and ships chemicals with the utmost care, adhering to all relevant regulations for domestic and international transport. We are a global supplier and exporter, ensuring reliable delivery worldwide.
How can I request a sample or quote?
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To request a sample or obtain a quote for (4-tert-Butylphenyl)diphenylsulfonium triflate, please contact our sales department through the website or by phone. Provide the product name, CAS number, and desired quantity.
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