Description

Bis(4-tert-Butylphenyl)Iodonium Chloride is a specialized iodonium salt compound, recognized for its role as a highly efficient photoacid generator (PAG). This property makes it a critical component in advanced photopolymerization and lithographic processes, where precise control over acid release is paramount. It is essential for manufacturers and R&D teams in the electronics, photoresist, and specialty polymer industries seeking high-performance cationic initiators.

Application

• Photoacid Generator (PAG) for Advanced Photoresists: A key component in chemically amplified resists (CAR) used in semiconductor manufacturing and microelectronics lithography.
• Cationic Photoinitiator for UV-Curing Systems: Initiates the polymerization of epoxy and vinyl ether resins in coatings, inks, and adhesives cured by UV light.
• Catalyst in Organic Synthesis: Used as a Lewis acid catalyst or an arylating agent in various cross-coupling and functionalization reactions.
• Research & Development: Employed in academic and industrial labs for developing new photopolymerizable materials and studying cationic polymerization mechanisms.
• Specialty Polymer Production: Facilitates the synthesis of high-performance polymers with specific thermal and mechanical properties.

Basic Information

Product Name	Bis(4-tert-Butylphenyl)Iodonium Chloride
CAS No.	5421-53-4
Molecular Formula	C20H26ClI
Molecular Weight	428.78 g/mol
Synonyms	Bis(4-tert-butylphenyl)iodonium chloride; Di(4-tert-butylphenyl)iodonium chloride; (4-tert-Butylphenyl)iodonium chloride dimer; Iodonium, bis(4-(1,1-dimethylethyl)phenyl)-, chloride; Photoacid Generator 5421-53-4; PAG; Iodonium salt
EINECS	Contact for details

Quality Control

Our Bis(4-tert-Butylphenyl)Iodonium Chloride is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for advanced applications. A Certificate of Analysis (COA) detailing all specifications 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light sources to maintain stability and purity.

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.