4-thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate cas 71449-78-0

4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate (CAS 71449-78-0) Comprehensive Guide

Table of Contents

• Product Overview & Specifications
• Detailed Applications & Industry Uses
• Real-World Case Studies
• Contact for Customized Solutions

Product Overview & Specifications

Chemical Name: 4-Thiophenyl Phenyl Diphenyl Sulfonium Hexafluoroantimonate

CAS Number: 71449-78-0

Molecular Formula: C₂₄H₁₉F₆SSb

Molecular Weight: 627.37 g/mol

Appearance: White to off-white crystalline powder

Solubility: Soluble in polar organic solvents (e.g., acetonitrile, dichloromethane)

Storage: 2-8°C in dark, dry conditions

Comparative Analysis with Similar Photoinitiators

Detailed Applications & Industry Uses

1. UV-Curable Coatings & Inks

Enables rapid polymerization in automotive clear coats, packaging inks, and wood finishes, reducing VOC emissions by 60-80% compared to solvent-based systems.

2. Electronics Manufacturing

Critical for solder mask formulations in PCB production, providing <3µm resolution and >95% curing efficiency under LED UV sources.

3. Advanced Adhesives

Used in medical device assembly adhesives requiring ISO 10993 biocompatibility certification, achieving full cure in 5-8 seconds at 20 mJ/cm².

Real-World Case Studies

Case Study 1: High-Speed Packaging Ink Optimization

Client: EuroFlex Packaging (Germany)

Challenge: Achieve <50ms cure time for food-grade flexible films

Solution: 1.2% CAS 71449-78-0 in hybrid acrylate-epoxy system

Result: 47ms curing at 305 nm, 30% energy savings vs. previous initiators

Case Study 2: 5G PCB Manufacturing

Client: Shenzhen CircuitTech (China)

Challenge: Eliminate undercut in 18µm circuit traces

Solution: 0.8% CAS 71449-78-0 in modified epoxy solder mask

Result: 99.3% pattern fidelity, passed MIL-PRF-31032 testing

Case Study 3: Medical Device Adhesive

Client: MediSeal Corporation (USA)

Challenge: Cytotoxicity reduction in Class III implantables

Solution: 0.5% CAS 71449-78-0 in silicone-photoinitiator matrix

Result: USP Class VI certification obtained in 1st attempt

Contact for Technical Consultation & Pricing

Request formulation guidance, SDS documentation, or bulk pricing:

Email: info@vivalr.com

Phone: (86) 15866781826

Available: 24/7 emergency technical support for existing clients