Description

Iodonium, (4-Methylphenyl)(2,4,6-Trimethylphenyl)-, Tetrafluoroborate(1-) (1:1) is a specialized diaryliodonium salt, a class of compounds renowned for their role as efficient photoacid generators (PAGs) and versatile arylating agents. This high-purity material is critical for initiating precise chemical transformations in advanced manufacturing processes where control and reliability are paramount. It is primarily utilized by R&D chemists and process engineers in the photopolymer, electronics, and fine chemical synthesis industries.

Application

• Photoacid Generator (PAG) for Photoresists: A key component in chemically amplified resists (CARs) for semiconductor lithography and printed circuit board (PCB) fabrication.
• Cationic Photoinitiator: Used in UV-curable coatings, inks, and adhesives, particularly for epoxy and vinyl ether systems.
• Arylating Agent in Organic Synthesis: Facilitates metal-free C–H and C–X bond functionalization for constructing complex aromatic molecules in pharmaceutical and agrochemical research.
• Cross-linking Agent for Polymers: Enables the UV-induced cross-linking of specific polymer matrices to enhance thermal and mechanical properties.
• Research & Development: Serves as a valuable reagent in academic and industrial labs for developing new photochemical and catalytic methodologies.

Basic Information

Product Name	Iodonium, (4-Methylphenyl)(2,4,6-Trimethylphenyl)-, Tetrafluoroborate(1-) (1:1)
CAS No.	855516-31-3
Molecular Formula	C16H18IBF4
Molecular Weight	416.02 g/mol
Synonyms	(4-Methylphenyl)(2,4,6-trimethylphenyl)iodonium Tetrafluoroborate; (p-Tolyl)(mesityl)iodonium Tetrafluoroborate; Bis(4-methylphenyl)iodonium Tetrafluoroborate (related); Diaryliodonium Tetrafluoroborate; Iodonium Salt; Photoacid Generator 1; PAG 1; Aryliodonium Salt
EINECS	Contact for details

Quality Control

Our production of Iodonium, (4-Methylphenyl)(2,4,6-Trimethylphenyl)-, Tetrafluoroborate(1-) (1:1) adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Loss on Drying	< 1.0%
Residue on Ignition	< 0.1%

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