Description

(4-Methoxyphenyl)Phenyliodonium Triflate is a high-purity diaryliodonium salt, a versatile and powerful photoacid generator (PAG) and arylating agent. Its core value lies in its exceptional efficiency in initiating cationic polymerization and facilitating metal-free C-H functionalization reactions under mild conditions. This compound is essential for R&D chemists and manufacturers in the photoresist, advanced electronics, and pharmaceutical intermediates sectors seeking reliable, high-performance precursors for cutting-edge synthesis.

Application

• Photoacid Generator (PAG) for Advanced Photoresists: A critical component in chemically amplified resists (CARs) for deep-UV (DUV) and extreme-UV (EUV) lithography in semiconductor and microelectronics fabrication.
• Cationic Polymerization Initiator: Used to catalyze the ring-opening polymerization of epoxides, vinyl ethers, and other monomers for producing specialty coatings, adhesives, and composites upon UV or thermal activation.
• Metal-Free Arylating Agent: Enables efficient and selective C-H arylation and functionalization reactions in organic synthesis, valuable for constructing complex molecules in pharmaceutical and agrochemical research.
• Precursor for Hypervalent Iodine Reagents: Serves as a stable and convenient precursor for generating other reactive hypervalent iodine species in situ for oxidative transformations.
• Surface Modification and Curing Agent: Applied in UV-curable inks, coatings, and optical fibers where rapid, controlled curing is required.

Basic Information

Product Name	(4-Methoxyphenyl)Phenyliodonium Triflate
CAS No.	115298-63-0
Molecular Formula	C14H12F3IO4S
Molecular Weight	460.21 g/mol
Synonyms	(4-Methoxyphenyl)phenyliodonium trifluoromethanesulfonate; Bis(4-methoxyphenyl)iodonium Triflate? (Common misnomer); (p-Methoxyphenyl)phenyliodonium Triflate; 4-Methoxyphenyl(phenyl)iodanium Trifluoromethanesulfonate; Diaryliodonium Triflate Derivative; Iodonium, (4-methoxyphenyl)phenyl-, trifluoromethanesulfonate; Photoacid Generator 115298-63-0; PAG Triflate Salt
EINECS	Contact for details

Quality Control

Every batch of (4-Methoxyphenyl)Phenyliodonium Triflate is manufactured and tested under strict quality management protocols to ensure consistent high purity and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and moisture content. Our quality systems are designed to meet the stringent requirements of electronic-grade and research-grade chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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