Description

Bis(4-Dodecylphenyl)Iodonium Hexaflurorantimonate is a highly effective photoacid generator (PAG) and cationic polymerization initiator. This compound is critical for initiating rapid and controlled cross-linking reactions upon exposure to UV light or heat. It is primarily needed by manufacturers in the electronics, advanced coatings, and specialty polymer industries for high-performance applications.

Application

• Photoacid Generator (PAG) for Advanced Photoresists: A key component in chemically amplified resists (CAR) for semiconductor manufacturing and microelectronics lithography.
• Cationic UV-Curing Initiator: Enables fast, low-energy curing of epoxy-based coatings, inks, and adhesives for industrial and graphic arts applications.
• Cross-linking Agent for Polymers: Used to enhance the thermal and mechanical properties of specialty polymers and composite materials.
• Catalyst for Organic Synthesis: Facilitates Friedel-Crafts alkylation and other acid-catalyzed reactions in fine chemical and pharmaceutical synthesis.
• Fiber Optic Coating Curing: Employed in the production of protective, durable coatings for optical fibers.
• Curing Agent for Dental Composites: Used in light-curable dental restorative materials and sealants.

Basic Information

Product Name	Bis(4-Dodecylphenyl)Iodonium Hexaflurorantimonate
CAS No.	71786-70-4
Molecular Formula	C36H58F6ISb
Molecular Weight	851.50 g/mol
Synonyms	Bis(dodecylphenyl)iodonium hexafluoroantimonate; Iodonium, bis(4-dodecylphenyl)-, hexafluoroantimonate(1-); Photoacid Generator 250; CGI 250; UV Cure Catalyst 250; Bis(p-dodecylphenyl)iodonium hexafluoroantimonate; 4-Dodecylphenyl Iodonium Hexafluoroantimonate Salt; Diaryliodonium Hexafluoroantimonate Salt
EINECS	Contact for details

Quality Control

Our Bis(4-Dodecylphenyl)Iodonium Hexaflurorantimonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistent performance and high quality. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 under an inert atmosphere such as nitrogen or argon for long-term stability.

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	< 0.5%

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