Description

2,2',2'',2'''-[Silanetetrayltetrakis(Oxy)]Tetrakis[2-Methylpropiophenone] is a specialized organosilicon compound that serves as a high-performance photoinitiator and cross-linking agent. Its unique molecular structure, featuring a central silicon atom bonded to four photoactive ketone moieties, is critical for initiating rapid and efficient polymerization under UV light. This product is essential for manufacturers in the coatings, inks, and advanced materials sectors who require precise control over curing kinetics and final polymer network properties to enhance product durability and performance.

Application

• UV-Curable Coatings and Inks: Acts as a highly efficient photoinitiator for fast-curing, high-gloss industrial and graphic arts applications.
• Photoresists and Electronic Materials: Used in the formulation of photo-patternable resins for printed circuit boards (PCBs) and microelectronics fabrication.
• Dental Composites and Adhesives: Facilitates rapid, depth-controlled curing in light-activated restorative and bonding materials.
• Optical Fiber Coatings: Enables the production of protective, secondary coatings with excellent adhesion and environmental resistance.
• 3D Printing (Stereolithography - SLA): A key component in liquid resin formulations for additive manufacturing, ensuring precise layer solidification.
• Adhesives and Sealants: Provides rapid cure initiation for high-strength, solvent-free bonding solutions in assembly operations.
• Wood and Furniture Finishes: Used in clear coats and topcoats that require fast curing times and superior surface hardness.
• Specialty Monomer and Oligomer Synthesis: Serves as a multifunctional cross-linker to modify polymer backbones and introduce silicon-based properties.

Basic Information

Product Name	2,2',2'',2'''-[Silanetetrayltetrakis(Oxy)]Tetrakis[2-Methylpropiophenone]
CAS No.	94237-09-9
Molecular Formula	C44H52O8Si
Molecular Weight	737.0 g/mol
Synonyms	Benzophenone, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-1-propanone; Photoinitiator 907; 2-Methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one; 2-Methyl-1-[4-(methylthio)phenyl]-2-morpholinopropan-1-one; Irgacure 907; Omnirad 907; 4-Morpholinecarboxylic acid, 4-methylthiobenzoyl-, 1,1-dimethylethyl ester (related); Ethyl 2-methyl-1-[4-(methylthio)phenyl]-2-morpholinopropionate (related)
EINECS	Contact for details

Quality Control

Our production of 2,2',2'',2'''-[Silanetetrayltetrakis(Oxy)]Tetrakis[2-Methylpropiophenone] adheres to a stringent quality management system. Every batch is analyzed to ensure high purity and consistent performance as a photoinitiator. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and UV absorbance are available upon request. We support compliance with relevant global regulatory frameworks for industrial chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	70 - 75 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
UV Absorption (λ max)	Conforms

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