Speciality Chemicals

Photoinitiator BP (Benzophenone)

  • CAS No.119-61-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity Photoinitiator BP (Benzophenone) designed for UV curing systems and pharmaceutical synthesis. Reliable quality with ≥99% assay for industrial applications.

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Product Technical Details

Product Overview

Photoinitiator BP, chemically known as Benzophenone, is a versatile organic compound widely recognized for its exceptional performance as a Type II photoinitiator. With the CAS registry number 119-61-9, this substance plays a critical role in various industrial sectors, ranging from advanced polymer chemistry to fine chemical synthesis. Our manufacturing process ensures that every batch meets rigorous international standards, delivering consistent quality for demanding applications.

As a leading global manufacturer, we specialize in producing high-purity Benzophenone suitable for both functional additives and synthetic intermediates. The compound is characterized by its stability, efficient radical generation under UV light, and compatibility with a broad spectrum of resin systems. This makes it an indispensable component for formulators seeking reliable curing performance and optimal end-product properties.

Key Features and Advantages

Our Photoinitiator BP is engineered to provide superior performance in industrial settings. The production workflow incorporates advanced purification techniques to minimize impurities, ensuring low color number and high reactivity. Key benefits include:

  • High Purity Assurance: Assay levels consistently exceed 99%, reducing side reactions in sensitive formulations.
  • Excellent Solubility: Compatible with various organic solvents and resin matrices for uniform dispersion.
  • Thermal Stability: Maintains integrity during storage and processing, with a melting point range of 47-51 °C.
  • Low Volatility: Minimal vapor pressure ensures safer handling and reduced loss during high-temperature operations.
  • Versatile Functionality: Serves effectively as both a curing agent and a chemical building block.

Industrial Applications

The primary application of Photoinitiator BP lies in free radical UV curing systems. It is extensively used in the formulation of UV curable varnishes, including wood lacquers, paper coatings, printing inks, and adhesive systems. Upon exposure to ultraviolet light, it facilitates rapid polymerization, enabling high-speed production lines and energy-efficient manufacturing processes.

Beyond coatings, this chemical serves as a vital intermediate in the synthesis of complex organic molecules. In the pharmaceutical sector, it is utilized in the production of various active pharmaceutical ingredients and therapeutic compounds. Additionally, its aromatic properties make it valuable in the fragrance industry, where it acts as a fixative to enhance the longevity and scent profile of perfumes and soaps. It also functions as a polymerization inhibitor for styrene, demonstrating its wide-ranging utility across chemical manufacturing.

Technical Specifications

ParameterSpecification
AppearanceWhite flaky crystal
Assay≥99%
Loss on Drying≤0.10%
Hazen (Color)≤60
Melting Point47-51 °C
Boiling Point305 °C
Density1.11 g/cm³
Molecular FormulaC13H10O
Molecular Weight182.22 g/mol

Storage and Handling

To maintain optimal quality, Photoinitiator BP should be stored in a cool, dry, and well-ventilated area. Containers must remain tightly closed to prevent moisture absorption and contamination. The product is classified under Transport Hazard Class 9 (UN3077) and should be handled according to standard safety protocols for environmentally hazardous substances. We offer flexible packaging options, including 25kg drums, customized to meet specific logistical requirements and ensure safe global delivery.