Description

(2-Bromoethyl)Diphenylsulfonium Trifluoromethanesulfonate is a specialized sulfonium salt reagent used as a versatile alkylating agent and photoacid generator (PAG). This compound matters for its high reactivity and efficiency in initiating cationic polymerization and facilitating key synthetic transformations under mild conditions. It is primarily needed by manufacturers and researchers in the pharmaceutical, advanced polymer, and electronics (photoresist) industries for developing novel materials and active pharmaceutical ingredients (APIs).

Application

• Photoacid Generator (PAG) in Photoresists: A critical component in chemically amplified resists (CARs) for deep-UV (DUV) and extreme-UV (EUV) lithography in semiconductor manufacturing.
• Cationic Polymerization Initiator: Used to catalyze the polymerization of epoxides, vinyl ethers, and other monomers to produce high-performance coatings, adhesives, and composite materials.
• Alkylating Agent in Organic Synthesis: Facilitates the introduction of the 2-bromoethyl group into target molecules for constructing complex intermediates in pharmaceutical R&D.
• Crosslinking Agent: Employed in the curing and crosslinking of polymers to enhance thermal stability, chemical resistance, and mechanical properties.
• Research & Development: A valuable tool in academic and industrial labs for studying reaction mechanisms and developing new catalytic processes.

Basic Information

Product Name	(2-Bromoethyl)Diphenylsulfonium Trifluoromethanesulfonate
CAS No.	247129-85-7
Molecular Formula	C₁₅H₁₄BrF₃O₃S₂
Molecular Weight	451.30 g/mol
Synonyms	(2-Bromoethyl)diphenylsulfonium triflate; Diphenyl(2-bromoethyl)sulfonium trifluoromethanesulfonate; 2-Bromoethyldiphenylsulfonium triflate; (2-Bromoethyl)diphenylsulfonium trifluoromethanesulfonate; Photoacid Generator PAG; Sulfonium salt PAG; BPST; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our (2-Bromoethyl)Diphenylsulfonium Trifluoromethanesulfonate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content, to ensure it meets the stringent requirements for advanced applications like photolithography. A comprehensive Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.