Description

Tetrakis[(Epoxycyclohexyl)Ethyl]Tetramethylcyclotetrasiloxane is a high-purity, multi-functional organosilicon compound featuring four reactive epoxycyclohexyl groups. This unique molecular architecture makes it an exceptional cross-linking agent and modifier, imparting superior thermal stability, chemical resistance, and enhanced adhesion properties to final materials. It is essential for manufacturers in the advanced polymer, specialty coatings, and high-performance adhesive industries seeking to develop products with improved durability and performance under demanding conditions.

Application

• As a key cross-linking agent in the formulation of high-temperature resistant silicone resins and elastomers.
• As a reactive modifier in epoxy resin systems to enhance toughness, adhesion to difficult substrates, and chemical resistance.
• In the production of advanced electronic encapsulants and potting compounds requiring excellent dielectric properties and thermal stability.
• As a building block for synthesizing specialized siloxane-based polymers with tailored properties for aerospace and automotive applications.
• In the formulation of high-performance, durable coatings for optical fibers, LEDs, and other electronic components.
• As an adhesion promoter in composite materials and structural adhesives for industrial assembly.

Basic Information

Product Name	Tetrakis[(Epoxycyclohexyl)Ethyl]Tetramethylcyclotetrasiloxane
CAS No.	121225-98-7
Molecular Formula	C40H68O12Si4
Molecular Weight	849.3 g/mol
Synonyms	1,3,5,7-Tetrakis[(3,4-epoxycyclohexyl)ethyl]-1,3,5,7-tetramethylcyclotetrasiloxane; 2,4,6,8-Tetramethyl-2,4,6,8-tetrakis[2-(3,4-epoxycyclohexyl)ethyl]cyclotetrasiloxane; Epoxy-functional Cyclotetrasiloxane; Epoxycyclohexylethyl Tetramethylcyclotetrasiloxane; ECETS; ECHETMS
EINECS	Contact for details

Quality Control

Our Tetrakis[(Epoxycyclohexyl)Ethyl]Tetramethylcyclotetrasiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, epoxy value determination, and impurity profiling, to ensure it meets precise specifications for high-performance applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to guarantee consistency and reliability.

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); containers must be kept tightly sealed to prevent exposure to atmospheric moisture, which can affect product quality and reactivity.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Epoxy Value	Contact for details
Viscosity (25°C)	Contact for details
Specific Gravity (25°C)	Contact for details
Moisture Content (KF)	≤ 0.5%

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