Description

2-Methyl-4'-(Methylthio)-2-Morpholinopropiophenone is a specialized photoinitiator belonging to the morpholino ketone class. This compound matters for its high efficiency in initiating the polymerization of unsaturated resins under UV light, enabling rapid curing in industrial coatings and inks. It is primarily needed by manufacturers in the photopolymer, printing ink, and advanced coating industries seeking reliable and fast-curing solutions.

Application

• UV-Curable Coatings and Inks: A key photoinitiator for fast-drying, high-gloss finishes on wood, plastic, and paper substrates.
• Photopolymer Printing Plates: Used in the production of flexographic and letterpress plates for the packaging and printing industries.
• Adhesives and Sealants: Facilitates rapid curing in UV-activated adhesive formulations for electronics and assembly.
• Dental Composites and Restoratives: Enables precise, quick-setting polymerizations in light-cured dental materials.
• Optical Fiber Coatings: Employed in the UV-curable protective coatings applied to optical fibers.
• 3D Printing (Stereolithography): Acts as a photoinitiator in resin-based additive manufacturing processes.
• Electronics Encapsulation: Used in protective, light-cured coatings for electronic components and circuit boards.

Basic Information

Product Name	2-Methyl-4'-(Methylthio)-2-Morpholinopropiophenone
CAS No.	71868-10-5
Molecular Formula	C15H21NO2S
Molecular Weight	279.40 g/mol
Synonyms	Omnirad 907; 2-Methyl-1-[4-(methylthio)phenyl]-2-morpholinopropan-1-one; 2-Methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one; 2-Morpholino-2-(methyl-4'-methylthiophenyl)propiophenone; Photoinitiator 907; MMMP; 1-Propanone, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-; Irgacure 907 (analog)
EINECS	Contact for details

Quality Control

Our 2-Methyl-4'-(Methylthio)-2-Morpholinopropiophenone is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for photoinitiator applications. A comprehensive Certificate of Analysis (COA) detailing purity, residual solvents, and physical properties is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert gas atmosphere such as nitrogen.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	70 - 75 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.