Description

Cyclopropyldiphenylsulfonium Tetrafluoroborate is a specialized sulfonium salt photoinitiator widely used in advanced photopolymerization applications. Its core value lies in its ability to generate strong acids upon UV light exposure, initiating highly efficient cationic polymerization reactions. This makes it a critical component for manufacturers in the electronics, coatings, and advanced materials sectors seeking high-performance, energy-curable formulations.

Application

• Photoacid Generator (PAG) in advanced photoresists for semiconductor manufacturing and microelectronics.
• Cationic UV-Curing Initiator for epoxy-based coatings, inks, and adhesives, providing excellent surface cure and depth penetration.
• Crosslinking Agent in the production of specialty polymers and composite materials requiring precise curing control.
• Chemical Amplification in lithographic processes for high-resolution patterning.
• Research & Development of novel light-sensitive materials and catalytic systems in academic and industrial laboratories.
• Fiber Optics and optical waveguide fabrication where controlled polymerization is essential.

Basic Information

Product Name	Cyclopropyldiphenylsulfonium Tetrafluoroborate
CAS No.	33462-81-6
Molecular Formula	C15H15BF4S
Molecular Weight	314.15 g/mol
Synonyms	Cyclopropyldiphenylsulfonium Tetrafluoroborate; Diphenylcyclopropylsulfonium Tetrafluoroborate; Cyclopropyl(diphenyl)sulfanium Tetrafluoroborate; Sulfonium, cyclopropyldiphenyl-, tetrafluoroborate(1-); Photoinitiator; Sulfonium Salt Photoacid Generator; (Cyclopropylphenylsulfonio)benzene Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our Cyclopropyldiphenylsulfonium Tetrafluoroborate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the stringent requirements for photoinitiator applications. A Certificate of Analysis (COA) detailing all specifications 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 room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and opened under a dry, inert atmosphere for prolonged shelf life.

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	≤ 20 ppm

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