Description

Diphenyl Iodonium-2-Carboxylate is a specialized iodonium salt that serves as a highly effective photoacid generator (PAG) and catalyst precursor. This compound is valued for its ability to generate strong acids upon exposure to light, initiating critical polymerization and cross-linking reactions. It is essential for manufacturers and researchers in the electronics, photoresist, and advanced polymer synthesis industries seeking precise and efficient cationic curing systems.

Application

• Photoacid Generator (PAG) in Photoresists: A key component in chemically amplified resists (CAR) for deep-UV (DUV) and extreme-UV (EUV) lithography in semiconductor manufacturing.
• Cationic UV-Curing Initiator: Used to initiate the polymerization of epoxy resins and vinyl ethers in coatings, inks, and adhesives that cure under UV light.
• Organic Synthesis Catalyst: Acts as a catalyst or reagent in various organic transformations, including C-H functionalization and cyclization reactions.
• Polymer Modification: Employed to modify polymer backbones or to create functionalized polymers with specific properties.
• Research & Development: Utilized in academic and industrial R&D for developing new photochemical processes and advanced materials.

Basic Information

Product Name	Diphenyl Iodonium-2-Carboxylate
CAS No.	109545-72-4
Molecular Formula	C13H9IO2
Molecular Weight	324.11 g/mol
Synonyms	Diphenyliodonium-2-carboxylate; (Carboxy-κC)phenyliodonium Inner Salt; Diphenyliodonium Carboxylate; Iodonium, diphenyl-, 2-carboxylate; Photoacid Generator 109545-72-4; DPI-2C; DPIC
EINECS	Contact for details

Quality Control

Our Diphenyl Iodonium-2-Carboxylate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for sensitive applications like photolithography. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and FT-IR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 tightly sealed and may require storage under an inert atmosphere for long-term preservation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.