(4-Bromophenyl)diphenylsulfonium triflate
(4-Bromophenyl)diphenylsulfonium triflate (CAS: 255056-44-1; Formula: C19H14BrF3O3S2; Molar Mass: 491.34 g/mol) is a specialised organic photoinitiator and photoacid generator. It finds critical applications in photopolymerisation processes, particularly in the fields of microelectronics and advanced materials science. This compound enables precise and efficient curing of UV-sensitive formulations, making it valuable for applications requiring high resolution and specific material properties.
- IUPAC
- (4-Bromophenyl)diphenylsulfonium trifluoromethanesulfonate
Cationic Photoinitiator
(4-Bromophenyl)diphenylsulfonium triflate serves as an effective cationic photoinitiator. Upon exposure to UV light, it generates catalytically active species that initiate cationic polymerisation, enabling the rapid curing of various resin systems.
Photoacid Generator (PAG)
As a photoacid generator, this compound releases triflic acid upon irradiation. This property is crucial in photolithography for micro/nanoelectronics, where the generated acid can catalyse chemical transformations within photoresists.
Materials Science
Its ability to initiate polymerisation and generate acid makes it a versatile reagent in materials science. It can be employed in the development of novel polymers, coatings, and advanced composite materials with tailored properties.
Micro/NanoElectronics Manufacturing
The compound is utilised in the fabrication of microelectronic devices. Its precise photoactivation characteristics are vital for creating intricate patterns in photoresists used in semiconductor manufacturing and micro-assembly processes.
| Molecular weight | 491.34 |
|---|---|
| Empirical formula | C19H14BrF3O3S2 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 109-112 °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 242 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-Bromophenyl)diphenylsulfonium triflate used for?
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(4-Bromophenyl)diphenylsulfonium triflate is primarily used as a cationic photoinitiator and photoacid generator in UV-curable formulations, photolithography for microelectronics, and advanced materials science applications.
What are the CAS number and chemical formula?
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The CAS number for (4-Bromophenyl)diphenylsulfonium triflate is 255056-44-1, and its chemical formula is C19H14BrF3O3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4-Bromophenyl)diphenylsulfonium triflate as a research-grade chemical. The precise purity is detailed on the Certificate of Analysis; we do 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 with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, and gloves, should be worn. Ensure adequate ventilation.
How is this chemical packed and shipped?
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Our chemicals are carefully packed according to international shipping regulations to ensure safe transit. We offer global export services for this product.
How can I request a quote or sample?
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To request a quote or a sample of (4-Bromophenyl)diphenylsulfonium triflate, please contact our sales team via the website or your dedicated account manager.
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