Description

2,4,6,8-Tetramethyl-2,4,6,8-Tetrakis[3-(Oxiranylmethoxy)Propyl]Cyclotetrasiloxane is a high-purity, multi-functional epoxy-modified cyclosiloxane monomer. This compound is valued for its ability to introduce both flexible siloxane backbones and reactive epoxy groups into polymer systems, enabling the creation of advanced hybrid materials. It is primarily sought by R&D and production teams in the specialty polymer, advanced coatings, and electronics industries for formulating high-performance silicones, adhesives, and encapsulants with enhanced thermal stability and adhesion properties.

Application

• Advanced Silicone Modification: Serves as a key monomer for synthesizing epoxy-functionalized silicone resins and fluids, improving compatibility and adhesion to various substrates.
• High-Performance Encapsulants & Potting Compounds: Used in electronics to formulate materials that protect sensitive components, offering excellent thermal shock resistance and low stress.
• Specialty Adhesives & Sealants: Incorporated to enhance the toughness, flexibility, and chemical resistance of epoxy-based adhesive formulations.
• Hybrid Polymer Networks: Acts as a crosslinking agent or co-monomer in the development of novel organic-inorganic hybrid (OIH) polymers for coatings and composites.
• Release Coatings & Molding: Utilized in formulations for non-stick and high-temperature release coatings, as well as in mold-making applications.
• Optical & LED Packaging: Employed in clear, high-refractive-index encapsulants for optical devices and LED packaging due to its stability and clarity.

Basic Information

Item	Details
Product Name	2,4,6,8-Tetramethyl-2,4,6,8-Tetrakis[3-(Oxiranylmethoxy)Propyl]Cyclotetrasiloxane
CAS No.	60665-85-2
Molecular Formula	C28H56O12Si4
Molecular Weight	689.1 g/mol
Synonyms	Epoxypropoxypropyl Cyclotetrasiloxane; Tetraglycidyl Ether of Tetramethyltetrakis(3-hydroxypropyl)cyclotetrasiloxane; 2,4,6,8-Tetramethyl-2,4,6,8-tetrakis(3-glycidyloxypropyl)cyclotetrasiloxane; Epoxy-Functional Cyclotetrasiloxane; Epoxy Siloxane Monomer; Cyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetrakis[3-(oxiranylmethoxy)propyl]-; ECX-212 (potential trade name)
EINECS	Contact for details

Quality Control

Our production of 2,4,6,8-Tetramethyl-2,4,6,8-Tetrakis[3-(Oxiranylmethoxy)Propyl]Cyclotetrasiloxane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, epoxy value determination, and impurity profiling, to ensure consistent purity and performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Epoxy Value	Contact for details
Water Content (KF)	≤ 0.5%
Viscosity (25°C)	Contact for details
Refractive Index (n20D)	Contact for details

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