Description

Bis(3,4-Dimethylphenyl)Iodonium Hexafluorophosphate is a high-purity diaryliodonium salt photoinitiator, valued for its exceptional efficiency in cationic polymerization processes. Its primary function is to generate strong Brønsted acids upon exposure to UV light, initiating rapid and controlled cross-linking of epoxy and vinyl ether resins. This compound is essential for manufacturers in the electronics, coatings, and advanced materials sectors requiring high-performance, low-yellowing, and thermally stable cured products.

Application

• Photoinitiator for Cationic UV-Curing Systems: Key component in formulations for coatings, inks, and adhesives that cure rapidly under UV light.
• Electronics Manufacturing: Used in photoresists, solder masks, and dielectric materials for printed circuit boards (PCBs) and microelectronics.
• Optical Fiber Coatings: Enables the production of durable, protective primary and secondary coatings with excellent clarity and adhesion.
• 3D Printing (Stereolithography - SLA): Serves as a photoinitiator in resin formulations for high-resolution additive manufacturing.
• Dental Composites: Facilitates fast, deep-cure polymerization of restorative materials and dental adhesives.
• Release Coatings & Pressure-Sensitive Adhesives: Provides efficient curing for silicone release liners and specialty adhesive tapes.

Basic Information

Product Name	Bis(3,4-Dimethylphenyl)Iodonium Hexafluorophosphate
CAS No.	67578-25-0
Molecular Formula	C16H18F6IP
Molecular Weight	482.18 g/mol
Synonyms	Bis(3,4-dimethylphenyl)iodonium hexafluorophosphate; (3,4-Dimethylphenyl)iodonium hexafluorophosphate; Iodonium, bis(3,4-dimethylphenyl)-, hexafluorophosphate(1-); Diaryliodonium Hexafluorophosphate Photoinitiator; UV Photoinitiator 67578-25-0; BDMIP; PI-675780
EINECS	Contact for details

Quality Control

Our Bis(3,4-Dimethylphenyl)Iodonium Hexafluorophosphate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements for photoinitiator applications. A Certificate of Analysis (COA) detailing purity, residual solvents, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 15-25°C. This material is hygroscopic (moisture-sensitive); keep the original container tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent moisture uptake and decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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