Description

Tetrakis(2-Methacryloxyethoxy)Silane is a high-purity, multi-functional organosilane monomer featuring four reactive methacrylate groups. This compound matters as a critical cross-linking agent and adhesion promoter, enabling the formation of durable, high-performance polymer networks. It is essential for manufacturers in the advanced coatings, dental materials, and specialty adhesives industries seeking to enhance material strength, chemical resistance, and substrate bonding.

Application

• As a key cross-linking monomer in the formulation of high-strength, abrasion-resistant dental composites and restorative materials.
• As an adhesion promoter and network former in UV-curable coatings and inks for electronics, optics, and industrial finishes.
• As a functional additive in fiber-reinforced polymer composites to improve the interfacial bonding between the matrix and glass or carbon fibers.
• In the synthesis of specialty silicone-modified acrylic resins for applications requiring weatherability and flexibility.
• For the surface modification of inorganic fillers (e.g., silica, glass) to create polymerizable fillers for advanced composite materials.
• As a building block in the research and development of dendrimers and hyperbranched polymers with tailored properties.

Basic Information

Product Name	Tetrakis(2-Methacryloxyethoxy)Silane
CAS No.	116491-91-9
Molecular Formula	C24H38O12Si
Molecular Weight	534.6 g/mol
Synonyms	2-Propenoic acid, 2-methyl-, 1,1',1'',1'''-[silanetetrayltetrakis(2,1-ethanediyloxy)] tetrakis ester; Silane, tetrakis[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethoxy]-; Tetramethacryloxyethyl Silane; 2-Methacryloyloxyethyl Silicate; 4-Functional Methacrylate Silane; TMMS; TMES; Silane coupling agent 5706 (common trade designation)
EINECS	Contact for details

Quality Control

Our Tetrakis(2-Methacryloxyethoxy)Silane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by HPLC and impurity profiling, to ensure it meets precise specifications for high-purity applications. Certificates of Analysis (COA) detailing purity, identity, and relevant physical parameters are provided with every shipment to support your quality assurance and regulatory needs.

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 material is light-sensitive (store away from light) and may be incompatible with strong acids and organic solvents. Keep away from heat and ignition sources. For long-term storage under optimal conditions, contact our technical service team.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Refractive Index (n20D)	1.460 - 1.470
Density (g/mL, 20°C)	1.10 - 1.15
Water Content (KF)	≤ 0.5%

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