(4-Fluorophenyl)diphenylsulfonium triflate
(4-Fluorophenyl)diphenylsulfonium triflate (CAS: 154093-57-9) is a specialised organic compound with the molecular formula C19H14F4O3S2 and a molecular weight of 430.44 g/mol. As a potent photoacid generator (PAG), it plays a crucial role in photolithography and UV-curable formulations. This chemical is primarily utilised in microelectronics for photoresist applications and in polymer science for initiating polymerisation processes.
- IUPAC
- 4-Fluorophenyl diphenylsulfonium trifluoromethanesulfonate
Photoacid Generator (PAG)
(4-Fluorophenyl)diphenylsulfonium triflate serves as an efficient photoacid generator. Upon exposure to UV light, it decomposes to produce a strong acid, which is essential for catalysing various chemical reactions in photolithography and related imaging technologies.
Cationic Photoinitiator
This compound functions as a cationic photoinitiator, driving the polymerisation of epoxy resins and other cationic-curable systems. Its decomposition products initiate cationic polymerisation, enabling rapid curing under UV irradiation.
Microelectronics and Lithography
It is widely employed in the semiconductor industry for the fabrication of microelectronic devices. Its ability to generate acids upon irradiation makes it suitable for use in advanced photoresists and lithographic processes.
Polymer Science
In polymer science, (4-Fluorophenyl)diphenylsulfonium triflate acts as an initiator for specific polymerisation reactions. It is valuable for synthesising polymers where controlled initiation and polymerisation conditions are required.
| Molecular weight | 430.44 |
|---|---|
| Empirical formula | C19H14F4O3S2 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 117-120 °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 234 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-Fluorophenyl)diphenylsulfonium triflate used for?
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(4-Fluorophenyl)diphenylsulfonium triflate is primarily used as a photoacid generator (PAG) and cationic photoinitiator in applications such as photolithography for microelectronics and UV-curable polymer formulations.
What is the CAS number and chemical formula?
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The CAS number for (4-Fluorophenyl)diphenylsulfonium triflate is 154093-57-9, and its empirical formula is C19H14F4O3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4-Fluorophenyl)diphenylsulfonium triflate with a purity of 98%. While suitable for research and industrial applications, TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, must be worn when handling. Ensure good ventilation and avoid inhaling dust.
How is (4-Fluorophenyl)diphenylsulfonium triflate packed, shipped, and exported?
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Tech Serve Solutions securely packs and exports (4-Fluorophenyl)diphenylsulfonium triflate, adhering to international shipping regulations for chemical compounds. Please contact us for specific export details to your region.
How can I request a sample or quote?
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To request a sample or a quotation for (4-Fluorophenyl)diphenylsulfonium triflate, please contact our sales department via the website or email, providing your contact details and the quantity required.
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