(4-Phenoxyphenyl)diphenylsulfonium triflate
(4-Phenoxyphenyl)diphenylsulfonium triflate (CAS: 240482-96-6; Formula: C25H19F3O4S2; MW: 504.54) is a cationic photoinitiator and photoacid generator. It plays a crucial role in photopolymerization processes, particularly in applications requiring the generation of acids upon UV exposure. This compound is valuable in advanced materials science and micro/nanoelectronics manufacturing due to its ability to initiate cationic polymerization and enable precise patterning.
- IUPAC
- (4-Phenoxyphenyl)diphenylsulfonium trifluoromethanesulfonate
Cationic Photoinitiator
Initiates the cationic polymerization of monomers such as epoxides and vinyl ethers upon UV light exposure. This process is critical in coatings, adhesives, and inks that require rapid curing and high performance.
Photoacid Generator (PAG)
Upon irradiation, it decomposes to release triflic acid, which can catalyze various chemical reactions. This is particularly useful in photolithography for microelectronics fabrication, generating the pattern features.
Materials Science
Used in the development of novel polymeric materials and advanced composites. Its ability to initiate polymerization under specific light conditions allows for controlled material synthesis and processing.
Micro/Nanoelectronics
Essential in the formulation of photoresists for semiconductor manufacturing. The generated acid can alter the solubility of the resist, enabling the transfer of circuit patterns.
| Molecular weight | 504.54 |
|---|---|
| Empirical formula | C25H19F3O4S2 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 90-94 °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 256 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-Phenoxyphenyl)diphenylsulfonium triflate used for?
+
(4-Phenoxyphenyl)diphenylsulfonium triflate is primarily used as a cationic photoinitiator and a photoacid generator (PAG). It is instrumental in UV-curing applications, photolithography for microelectronics, and the development of advanced materials through photopolymerization.
What is the CAS number and formula for (4-Phenoxyphenyl)diphenylsulfonium triflate?
+
The CAS number is 240482-96-6, and the empirical formula is C25H19F3O4S2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay and grade available may vary; please contact us for current lot details. We do not represent this product as USP, BP, or EP grade.
How should (4-Phenoxyphenyl)diphenylsulfonium triflate be handled?
+
Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation to avoid inhaling dust, and wash hands thoroughly after handling. Avoid contact with skin, eyes, and clothing.
Is (4-Phenoxyphenyl)diphenylsulfonium triflate a controlled substance?
+
Based on the provided data, there is no indication that (4-Phenoxyphenyl)diphenylsulfonium triflate is a controlled substance.
How are Tech Serve Solutions products shipped and exported?
+
Tech Serve Solutions is a global supplier and exporter of fine chemicals. Products are carefully packaged to comply with international shipping regulations for hazardous materials. Please contact us to discuss specific shipping and export requirements for your region.
How can I request a sample or quote for (4-Phenoxyphenyl)diphenylsulfonium triflate?
+
To request a sample or a quotation, please contact our sales department via the website or by phone. Provide the product name, CAS number, and the quantity required for your inquiry.
▶ Related products
(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics
(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis