Description

(3,5-Dichlorophenyl)(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate is a specialized diaryliodonium salt, a high-value photoacid generator (PAG) and versatile arylating agent. This compound matters for its ability to efficiently generate strong acids upon exposure to light, enabling precise control in advanced material synthesis and patterning. It is critically needed by R&D chemists and process engineers in the photoresist, polymer chemistry, and pharmaceutical intermediates sectors for developing next-generation electronics and fine chemicals.

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 Photoinitiator for Polymerization: Initiates the ring-opening polymerization of epoxides, vinyl ethers, and other monomers under UV light for coatings, adhesives, and inks.
• Arylating Agent in Organic Synthesis: Used as an efficient electrophilic source of the (3,5-dichlorophenyl) or (2,4,6-trimethoxyphenyl) group in metal-catalyzed or metal-free cross-coupling reactions.
• Precursor for Hypervalent Iodine Reagents: Serves as a stable precursor for generating other reactive hypervalent iodine(III) species in situ for oxidative transformations.
• Surface Modification and Functionalization: Enables the covalent attachment of aromatic groups to material surfaces under mild photochemical conditions.
• Research & Development: A valuable tool in academic and industrial labs for developing new photochemical methodologies and functional materials.

Basic Information

Product Name	(3,5-Dichlorophenyl)(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate
CAS No.	1868173-25-4
Molecular Formula	C22H21Cl2IO6S
Molecular Weight	603.27 g/mol
Synonyms	(3,5-Dichlorophenyl)(2,4,6-trimethoxyphenyl)iodonium tosylate; (3,5-Dichlorophenyl)(2,4,6-trimethoxyphenyl)iodonium 4-methylbenzenesulfonate; Diaryliodonium Tosylate Salt; Photoacid Generator 1868173-25-4; Iodonium, (3,5-dichlorophenyl)(2,4,6-trimethoxyphenyl)-, 4-methylbenzenesulfonate; PAG (3,5-DCl-2,4,6-TMP)I-Ts
EINECS	Contact for details

Quality Control

Every batch of our (3,5-Dichlorophenyl)(2,4,6-Trimethoxyphenyl)Iodonium p-Toluenesulfonate is synthesized and handled under strict quality management protocols. We employ advanced analytical techniques including HPLC, NMR, and MS to ensure high chemical purity and structural integrity, critical for reproducible performance in sensitive applications like lithography. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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); keep the container tightly sealed in a desiccated environment to prevent degradation. Handle and store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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