Description

Diphenyl Iodonium Salt With 7,7-Dimethyl-2-Oxobicyclo[2.2.1]Heptane-1-Methanesulfonic Acid(1:1) is a high-purity photoacid generator (PAG) salt, a critical component for advanced photoresist formulations. Its value lies in its ability to generate strong acids upon exposure to specific light sources, initiating precise chemical amplification reactions in polymer matrices. This compound is essential for manufacturers in the electronics and specialty polymer industries, particularly for producing high-resolution photoresists used in semiconductor fabrication and UV-curable coatings.

Application

• Chemical Amplification Photoresists (CARs): A key photoacid generator for deep-UV (DUV), extreme-UV (EUV), and i-line photolithography processes in semiconductor manufacturing.
• UV-Curing Systems: Used as a cationic photoinitiator in coatings, inks, and adhesives that cure upon exposure to UV light, offering excellent surface hardness and chemical resistance.
• Advanced Polymer Synthesis: Serves as an initiator or catalyst in controlled polymerization reactions, such as ring-opening polymerization, for creating specialized polymeric materials.
• Microelectronics Packaging: Employed in the patterning of dielectric layers and solder masks in printed circuit board (PCB) production.
• Optical Materials: Facilitates the fabrication of waveguides, optical fibers, and other photonic components through photo-patterning techniques.
• Research & Development: A valuable reagent for academic and industrial R&D in novel photopolymer chemistry and lithographic techniques.

Basic Information

Product Name	Diphenyl Iodonium Salt With 7,7-Dimethyl-2-Oxobicyclo[2.2.1]Heptane-1-Methanesulfonic Acid(1:1)
CAS No.	214534-44-8
Molecular Formula	C21H25IO4S
Molecular Weight	500.39 g/mol
Synonyms	Diphenyl(7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl)methanesulfonate iodonium; Diphenyl iodonium camphorsulfonate; Iodonium, diphenyl-, salt with 7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid (1:1); Diphenyliodonium 7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonate; Photoacid Generator PAG 1; DPI-CMS; (7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1-yl)methanesulfonic acid diphenyliodonium salt
EINECS	Contact for details

Quality Control

Our Diphenyl Iodonium Salt is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance in sensitive applications like photolithography. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. Certificates of Analysis (COA) detailing assay, impurity profile, and physical characteristics are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption. For long-term storage, consider using desiccants or storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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