Speciality Chemicals

UV Photoinitiator ITX (2,4 Isomer)

  • CAS No.83846-86-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-efficiency UV photoinitiator for curing inks and coatings.

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Product Technical Details

Product Overview

UV Photoinitiator ITX (2,4 Isomer) represents a cornerstone technology in the realm of modern ultraviolet curing systems. Known chemically as 4-Isopropylthioxanthone, this specialized compound serves as a critical component in radical polymerization processes. Our manufacturing facility employs advanced synthesis techniques to ensure exceptional purity levels, making it an ideal choice for demanding industrial formulations where consistency, reaction speed, and final material performance are paramount. This product is designed to meet the rigorous standards of global chemical supply chains.

As a thioxanthone derivative, this photoinitiator exhibits superior absorption characteristics in the near-UV and visible light spectrum. This specific property allows for effective curing even in pigmented systems or thicker film applications where standard initiators might struggle to penetrate. The 2,4 isomer configuration provides optimized reactivity, ensuring rapid cross-linking of resin matrices upon exposure to UV radiation sources. This efficiency translates to higher production throughput and reduced energy consumption during the manufacturing process.

Quality Assurance

Quality assurance is integral to our production protocol. Each batch undergoes strict analytical testing to verify identity and purity. We provide comprehensive Certificates of Analysis (COA) with every shipment, ensuring transparency and trust for our B2B partners. Our commitment to quality extends to packaging integrity, guaranteeing that the product arrives in optimal condition for immediate use in your formulation lines.

Key Performance Features

  • High molar extinction coefficient for efficient light absorption.
  • Excellent solubility in various monomer and oligomer systems.
  • Low volatility and minimal odor during the curing process.
  • Compatible with tertiary amine synergists for enhanced surface cure.
  • Stable storage properties under recommended conditions.

Technical Specifications

ParameterValue
CAS Number83846-86-0
Chemical FormulaC16H14OS
Molecular Weight254.35 g/mol
AppearanceYellow crystalline powder
Purity (Assay)≥99.0%
Boiling Point391°C at 760 mmHg
Flash Point210.2°C

Industrial Applications

This photoinitiator is extensively utilized in the production of UV-curable screen printing inks, particularly for transparent or colored substrates. It is highly effective in copy varnishes, lithographic inks, and flexographic inks where rapid drying and high gloss are required. Beyond printing, it finds significant application in electronic coatings, adhesive systems, and photoresist formulations used in semiconductor manufacturing. The versatility of this compound allows it to perform reliably across diverse substrate types.

For optimal performance, it is recommended to use this product in conjunction with amine synergists such as EDB. The typical dosage ranges from 0.2% to 2% by weight, depending on the specific resin system and thickness of the coating layer. This flexibility allows formulators to fine-tune cure speeds and final material properties to match specific end-user requirements. Whether for protective coatings or decorative finishes, this initiator delivers consistent results.

Regulatory Compliance

And regarding regulatory compliance, this product is manufactured in facilities adhering to international quality management standards. We ensure that all chemical components are sourced responsibly and processed under strict environmental controls. This commitment supports our clients in meeting their own sustainability and compliance goals within their respective markets.

Storage and Handling

To maintain product integrity, store in a cool, dry, and well-ventilated area. Keep containers tightly sealed when not in use to prevent moisture absorption or contamination. Standard industrial safety protocols should be followed during handling, including the use of appropriate personal protective equipment. We offer flexible packaging options, including 25kg drums, customized to meet specific logistical requirements. Our global distribution network ensures timely delivery to support your production schedules.