Description

1,4-Phenylene-4,4'-Bis(2,6-Diphenyl-4-Pyrylium Tetrafluoroborate) is a high-purity, functional organic salt belonging to the pyrylium family, valued for its role as a key intermediate and photoinitiator in advanced material synthesis. Its significance lies in its ability to act as a cationic photoinitiator under UV light, enabling the polymerization of specialized resins and coatings with superior performance characteristics. This compound is essential for manufacturers and R&D laboratories in the photopolymer, specialty chemical, and advanced electronics sectors seeking to develop next-generation materials.

Application

• Cationic Photoinitiator for UV-curable epoxy and vinyl ether resins in coatings, inks, and adhesives.
• Key Chemical Intermediate in the synthesis of functional dyes, pigments, and advanced organic materials.
• Research & Development reagent for studying photopolymerization mechanisms and developing new photoresponsive systems.
• Specialty Polymer Production, contributing to the creation of polymers with specific optical or electronic properties.
• Optical Material Fabrication for components requiring precise light-initiated curing processes.
• Electronics Industry for use in the production of specialized photoresists or encapsulants.

Basic Information

Product Name	1,4-Phenylene-4,4'-Bis(2,6-Diphenyl-4-Pyrylium Tetrafluoroborate)
CAS No.	54620-09-6
Molecular Formula	C46H32B2F8O2
Molecular Weight	782.17 g/mol
Synonyms	4,4'-(1,4-Phenylenebis[2,6-diphenyl-4-pyrylium]) bis(tetrafluoroborate); 1,4-Bis[4-(2,6-diphenyl-4-pyrylium)-phenyl]benzene bis(tetrafluoroborate); Bis(2,6-diphenyl-4-pyrylium)phenylene salt; Photoinitiator 54620-09-6; Cationic Photoinitiator 54620-09-6; UV Photoinitiator for Epoxy Resins; Pyrylium Tetrafluoroborate Derivative
EINECS	Contact for details

Quality Control

Our production of 1,4-Phenylene-4,4'-Bis(2,6-Diphenyl-4-Pyrylium Tetrafluoroborate) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for demanding applications. All materials undergo rigorous analytical testing, including HPLC for assay and purity verification. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and incompatible with strong alkalis and fluorides. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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