Photoinitiator 907
- CAS No.71868-10-5
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-efficiency UV photoinitiator designed for colored curing systems, inks, and coatings with superior transparency.
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Product Overview
Photoinitiator 907 stands as a premier solution in the realm of ultraviolet curing technology, specifically engineered for applications requiring high reactivity and exceptional performance in colored systems. As a highly efficient free radical type I photoinitiator, this compound facilitates the rapid polymerization of unsaturated prepolymers upon exposure to UV light. Its chemical structure, known systematically as 2-Methyl-4-(methylthio)-2-morpholinopropiophenone, provides unique advantages in overcoming oxygen inhibition and ensuring deep cure profiles even in pigmented formulations.
Manufactured under strict quality control standards, our Photoinitiator 907 offers consistent batch-to-batch reliability, making it an ideal choice for industrial-scale operations. The product is characterized by its low yellowing index and excellent solubility in various monomer and oligomer systems, ensuring seamless integration into complex chemical formulations without compromising the aesthetic quality of the final cured product.
Key Features and Advantages
Our premium grade Photoinitiator 907 delivers distinct technical benefits that enhance the overall performance of UV curable materials. The following attributes highlight why this initiator is preferred by formulators globally:
- Superior transparency in colored systems, particularly effective for blue and dark pigments.
- High reactivity ensures fast curing speeds, increasing production line efficiency.
- Excellent balance between surface dryness and through-cure depth.
- Low volatility and minimal odor contribute to a safer working environment.
- Compatible with co-initiators such as DETX and ITX for enhanced light absorption.
- Stable storage properties when kept in recommended conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | White powder |
| Assay (Purity) | ≥99% |
| Volatile Matter | ≤0.50% |
| Transmittance (425nm) | ≥92.0% |
| Transmittance (500nm) | ≥96.0% |
| Melting Point | 74-76 °C |
| Molecular Weight | 279.40 g/mol |
Industrial Applications
The versatility of Photoinitiator 907 makes it indispensable across multiple high-value industries. It is extensively utilized in the graphic arts sector for screen printing inks, flexographic inks, and offset printing varnishes where rapid curing and color fidelity are paramount. In the electronics industry, this photoinitiator plays a critical role in the manufacturing of photoresists, solder mask inks, and printed circuit boards, ensuring precise pattern definition and robust protective layers.
Furthermore, it is highly recommended for adhesive formulations and composite materials requiring deep section curing. The typical dosage ranges from 2% to 6% by weight, depending on the specific resin system and pigment load. Formulators often select this initiator as a drop-in replacement for legacy products to achieve performance benchmarks in transparency and cure speed.
Storage and Handling
To maintain optimal quality, Photoinitiator 907 should be stored in a cool, dry, and well-ventilated area. Containers must remain tightly closed when not in use to prevent moisture absorption and contamination. The product is classified under UN3077 for transport as an environmentally hazardous substance, solid, n.o.s., requiring adherence to standard safety protocols during shipping and handling. Always consult the safety data sheet and technical data sheet before incorporation into any industrial process.
