Description

Phenyl(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate is a specialized diaryliodonium salt, a high-value photoacid generator (PAG) and versatile arylating agent. This compound is critical for initiating cationic polymerization and facilitating efficient carbon-heteroatom bond formation under mild conditions. It is essential for advanced material scientists and process chemists in the electronics, polymer, and pharmaceutical research sectors.

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.
• Cationic Polymerization Initiator: Used in UV-curable coatings, inks, adhesives, and epoxy resins for electronics encapsulation and protective finishes.
• Arylating Agent in Organic Synthesis: Facilitates the introduction of the 2,4,6-trimethoxyphenyl group into target molecules for pharmaceutical intermediates and fine chemical synthesis.
• Crosslinking Agent for Polymers: Enhances thermal and mechanical properties of specialty polymers through photo-induced crosslinking.
• Research & Development: Serves as a powerful tool in academic and industrial R&D for developing new photochemical processes and catalytic cycles.

Basic Information

Product Name	Phenyl(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate
CAS No.	936326-60-2
Molecular Formula	C22H23IO6S
Molecular Weight	542.38 g/mol
Synonyms	(2,4,6-Trimethoxyphenyl)(phenyl)iodonium p-toluenesulfonate; (2,4,6-Trimethoxyphenyl)(phenyl)iodonium tosylate; Phenyl(2,4,6-trimethoxyphenyl)iodonium tosylate; Diaryliodonium tosylate; Photoacid generator 936326-60-2; Iodonium, (2,4,6-trimethoxyphenyl)phenyl-, 4-methylbenzenesulfonate; PAG-TPIT
EINECS	Contact for details

Quality Control

Our production of Phenyl(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure consistency and reliability for sensitive applications like photolithography. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition and maintain optimal performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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