Description

Diphenyliodonium-2-Carboxylate Monohydrate, 98+% is a high-purity iodonium salt primarily used as a versatile photoacid generator (PAG) and catalyst. This compound matters for its ability to efficiently generate strong acids upon exposure to light, initiating critical polymerization and cross-linking reactions. It is essential for manufacturers in the electronics, photoresist, and advanced polymer industries who require precise and reliable photoinitiators for lithography, coatings, and specialty adhesives.

Application

• Photoacid Generator (PAG) for Microlithography: A key component in chemically amplified photoresists for semiconductor and microelectronics fabrication.
• UV-Curable Coatings and Inks: Serves as an efficient cationic photoinitiator for epoxy and vinyl ether-based systems, enabling rapid curing.
• Advanced Polymer Synthesis: Catalyzes polymerization reactions, including the synthesis of polycarbonates and other high-performance polymers.
• Adhesive Formulations: Used in light-curable adhesives for optical, medical, and electronic assembly applications.
• Chemical Research & Synthesis: Employed as a catalyst or reagent in organic synthesis, particularly in C-H functionalization and coupling reactions.
• Printing Plate Production: Utilized in light-sensitive compositions for the manufacture of printing plates.

Basic Information

Product Name	Diphenyliodonium-2-Carboxylate Monohydrate, 98+%
CAS No.	1488-42-2
Molecular Formula	C13H11IO3 • H2O
Molecular Weight	360.14 g/mol (Monohydrate)
Synonyms	Diphenyliodonium-2-carboxylate hydrate; (Carboxyphenyl)phenyliodonium inner salt monohydrate; Diphenyliodonium o-carboxylate monohydrate; Iodonium, (2-carboxyphenyl)phenyl-, inner salt, monohydrate; Photoacid Generator PAG; Diphenyliodonium carboxylate; DPI-2C
EINECS	Contact for details

Quality Control

Our Diphenyliodonium-2-Carboxylate Monohydrate is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity verification and spectroscopic identification, to ensure it meets the 98+% purity specification and is free from critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	4.5 - 6.0 % (Theoretical for monohydrate: ~5.0%)
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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