Description

(2-Cyanopropyl)Ethyl(2-Ethylhexyl)Sulphonium Tetrafluoroborate(1-) is a specialized organosulphonium salt, recognized by the CAS number 57875-98-6, that serves as a high-performance photoinitiator and catalyst in advanced polymer synthesis. Its core value lies in enabling efficient, controlled cationic polymerization and cross-linking reactions under UV light exposure. This compound is essential for manufacturers in the photoresist, advanced coatings, and specialty adhesive industries who require precise and rapid curing mechanisms.

Application

• UV-Curable Coatings & Inks: Acts as a key photoacid generator (PAG) for high-speed curing of industrial and graphic arts coatings.
• Photoresists for Electronics: Critical component in chemical amplification resists (CARs) used in semiconductor and microelectronics fabrication.
• Cationic Polymerization: Initiator for the ring-opening polymerization of epoxides and other monomers to produce high-performance polymers.
• Adhesives & Sealants: Enables rapid, on-demand curing for optically clear adhesives (OCAs) and structural bonding agents.
• Fiber Optics & Optical Components: Used in the production of UV-cured claddings and protective layers.
• 3D Printing (Stereolithography): Photoinitiator for vat polymerization techniques to create detailed, durable resin parts.

Basic Information

Product Name	(2-Cyanopropyl)Ethyl(2-Ethylhexyl)Sulphonium Tetrafluoroborate(1-)
CAS No.	57875-98-6
Molecular Formula	C₁₄H₂₈BF₄NS
Molecular Weight	329.25 g/mol
Synonyms	(2-Cyanopropyl)ethyl(2-ethylhexyl)sulfonium tetrafluoroborate; Sulfonium, (2-cyanopropyl)ethyl(2-ethylhexyl)-, tetrafluoroborate(1-); Ethyl(2-ethylhexyl)(2-cyanopropyl)sulfonium tetrafluoroborate; Photoacid Generator PAG; UV Cationic Photoinitiator; Sulfonium Salt Photoinitiator; (2-CN-propyl)Et(2-Et-hexyl)Sulfonium BF₄⁻
EINECS	Contact for details

Quality Control

Every batch of our (2-Cyanopropyl)Ethyl(2-Ethylhexyl)Sulphonium Tetrafluoroborate(1-) is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for photoinitiators and electronic chemicals. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance characteristics is provided with each shipment to guarantee batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

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 %
Heavy Metals (as Pb)	≤ 10 ppm
UV Absorption	Conforms

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