Description

(4-Iodphenyl)Mesityliodonium Triflate is a specialized diaryliodonium salt, a class of compounds renowned for their utility as photoacid generators (PAGs) and versatile arylating agents. This high-purity compound is critical for initiating precise photochemical and cross-coupling reactions in advanced material synthesis. It is essential for R&D and production teams in the photoresist, pharmaceutical, and specialty polymer industries seeking reliable, high-performance precursors.

Application

• Photoacid Generator (PAG) for Advanced Photoresists: A key component in chemically amplified resists (CARs) for deep-UV (DUV) and extreme-UV (EUV) lithography in semiconductor manufacturing.
• Arylating Agent in Organic Synthesis: Facilitates efficient C–C and C–heteroatom bond formation in metal-catalyzed (e.g., palladium) cross-coupling reactions for pharmaceutical intermediates.
• Cationic Photoinitiator: Used in UV-curable coatings, inks, and adhesives to initiate polymerization of epoxides and vinyl ethers.
• Precursor for Functional Materials: Serves as a building block for synthesizing organic electronic materials and liquid crystals.
• Research & Development: A valuable tool in academic and industrial labs for developing new photochemical methodologies and catalytic processes.

Basic Information

Product Name	(4-Iodphenyl)Mesityliodonium Triflate
CAS No.	1146127-08-3
Molecular Formula	C16H16F3I2O3S
Molecular Weight	632.16 g/mol
Synonyms	(4-Iodophenyl)mesityliodonium Trifluoromethanesulfonate; Bis(4-iodophenyl)iodonium Triflate (related); Mesityl(4-iodophenyl)iodonium Triflate; Iodonium, (4-iodophenyl)mesityl-, trifluoromethanesulfonate; Photoacid Generator PAG; Diaryliodonium Salt; (p-Iodophenyl)mesityliodonium Triflate
EINECS	Contact for details

Quality Control

Every batch of (4-Iodphenyl)Mesityliodonium Triflate is manufactured and tested under strict quality management protocols to ensure consistency and high performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, supporting compliance with rigorous R&D and production standards. Our quality system is designed to meet the exacting requirements of the electronics and fine chemical industries.

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). 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.

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.