Description

Bis-(4-tert-Butylphenyl)-Iodonium Tetrafluoroborate is a high-purity diaryliodonium salt, a critical class of photoacid generators (PAGs) and versatile arylating agents. Its primary value lies in its ability to efficiently generate strong acids upon exposure to UV light, initiating cationic polymerization and cross-linking reactions. This compound is essential for manufacturers in the electronics, advanced coatings, and specialty polymer industries, where precise control over curing and patterning processes is required.

Application

• Photoacid Generator (PAG) for Photoresists: A key component in chemically amplified photoresists for semiconductor manufacturing and microelectronics.
• Cationic UV-Curing Initiator: Used in UV-curable inks, coatings, adhesives, and epoxy-based systems for rapid, low-energy curing.
• Arylating Agent in Organic Synthesis: Facilitates the introduction of aryl groups in complex molecule synthesis for pharmaceuticals and agrochemicals.
• Cross-linking Agent for Polymers: Enhances thermal and mechanical properties of specialty polymers through cationic cross-linking mechanisms.
• Research & Development: Employed in academic and industrial R&D for developing new photopolymerization systems and catalytic processes.

Basic Information

Product Name	Bis-(4-tert-Butylphenyl)-Iodonium Tetrafluoroborate
CAS No.	62051-09-6
Molecular Formula	C20H26BF4IO
Molecular Weight	496.13 g/mol
Synonyms	Bis(4-tert-butylphenyl)iodonium Tetrafluoroborate; 4-tert-Butylphenyl Iodonium Tetrafluoroborate Salt; Di(4-tert-butylphenyl)iodonium Tetrafluoroborate; Iodonium, bis(4-(1,1-dimethylethyl)phenyl)-, tetrafluoroborate(1-); Photoacid Generator PAG; Diaryliodonium Tetrafluoroborate; (4-(tert-Butyl)phenyl)(iodo)benzene Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our Bis-(4-tert-Butylphenyl)-Iodonium Tetrafluoroborate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and ICP-MS for trace metal analysis, to ensure consistency and performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry, inert conditions to prevent degradation.

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 (as Pb)	≤ 20 ppm

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