Product Name: 2-Methyl-4′-(methylthio)-2-morpholinopropiophenone
Other Name: Photoinitiator 907; YF-PI 907; IHT-PI 907; UI801; UV Initiating agent 907; 1-[4-(Methylthio)phenyl]-2-methyl-2-morpholino-1-propanone; 2-[4-(Methylthio)benzoyl]-2-(4-morpholinyl)propane
CAS No.: 71868-10-5
Chemical Structure:

2-Methyl-4′-(methylthio)-2-morpholinopropiophenone Application:
2-Methyl-4′-(methylthio)-2-morpholinopropiophenone is a high-efficiency photoinitiator widely used in UV-curable coatings, inks, adhesives, and resin systems. This compound, also referred to as Morpholine Ketone or MS-MPK, is a light-sensitive material that generates free radicals upon UV exposure, enabling rapid polymerization of acrylate and methacrylate monomers. It offers excellent curing depth, low volatility, and superior stability, making it suitable for high-performance industrial applications such as coatings for electronics, printing, and plastics. With its balanced absorption spectrum and compatibility with a wide range of resins, it provides efficient curing even under moderate UV intensity, ensuring productivity and product quality in large-scale manufacturing. Applications:
- UV-Curable Coatings
Used in industrial coatings for wood, metal, and plastic surfaces where fast curing, high hardness, and smooth finishes are required. It enhances curing efficiency and minimizes yellowing in transparent coatings. - Printing Inks and 3D Printing Materials
Applied in UV ink formulations and photo-curable 3D printing resins, providing controlled polymerization and uniform surface performance. Ensures sharp image definition and reduced tackiness in printed films. - Adhesives and Electronic Materials
Incorporated in UV adhesives and optical bonding formulations to achieve precise and rapid curing. Ideal for electronic encapsulation, microelectronics, and optical coatings requiring clean curing without residue.
2-Methyl-4′-(methylthio)-2-morpholinopropiophenone Packaging and Shipping:
Packaging: 10g/bag, 100g/ bag, 1kg/bag or as customer’s required.
Shipping : DHL/ FedEx/ Air shipping
2-Methyl-4′-(methylthio)-2-morpholinopropiophenone Storage:
Store in Dry and Ventilated place with the Room Temperature, Preserved in Original Tight-Closed containers, Keep Away from Light and Heating.

