Description

2,2,4,4,6,6-Hexamethyl-1-Oxa-2,4,6-Trisilacyclohexane CAS NO 17520-57-9 is a high-purity organosilicon compound, specifically a cyclic siloxane, valued for its role as a key intermediate and building block in advanced material synthesis. Its unique cyclic structure provides exceptional reactivity and stability, making it a critical component for creating specialized silicone polymers and coatings. This product is essential for manufacturers in the electronics, specialty chemicals, and advanced materials sectors seeking to enhance product performance and durability.

Application

• Silicone Resin & Polymer Intermediate: Serves as a fundamental building block for synthesizing high-performance silicone resins, elastomers, and specialty polymers with tailored properties.
• Surface Modification & Coupling Agent: Used to modify inorganic surfaces (e.g., silica, metals) to improve adhesion, dispersion, and compatibility in composite materials.
• Electronics Encapsulation & Protection: A precursor for materials used in potting, encapsulation, and protective coatings for sensitive electronic components due to its thermal and dielectric properties.
• Release Coatings & Lubricants: Employed in the formulation of high-temperature stable release agents and specialty lubricants for industrial molding processes.
• Hydrophobic & Water-Repellent Coatings: Key ingredient in creating durable water-repellent finishes for textiles, construction materials, and optical surfaces.
• Pharmaceutical & Cosmetic Additives: Used as an intermediate for synthesizing silicone-based additives that provide smooth texture, spreadability, and barrier properties.
• Research & Development (R&D): A valuable reagent for academic and industrial R&D in organosilicon chemistry and new material discovery.

Basic Information

Product Name	2,2,4,4,6,6-Hexamethyl-1-Oxa-2,4,6-Trisilacyclohexane
CAS No.	17520-57-9
Molecular Formula	C9H24O1Si3
Molecular Weight	240.55 g/mol
Synonyms	Hexamethylcyclotrisiloxane (common misnomer, structurally related); 1-Oxa-2,4,6-trisilacyclohexane, 2,2,4,4,6,6-hexamethyl-; Cyclic Methylsiloxane Trimer; HMCTS; 2,4,6-Trimethyl-2,4,6-trisila-1-oxacyclohexane; Hexamethyl-1-oxa-2,4,6-trisilacyclohexane
EINECS	Contact for details

Quality Control

Our production of 2,2,4,4,6,6-Hexamethyl-1-Oxa-2,4,6-Trisilacyclohexane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. Our quality system is designed to meet the exacting standards of industrial and research applications, ensuring reliable performance in your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive (hygroscopic); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture. Store away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.390 - 1.395
Density (20°C)	0.95 - 0.98 g/mL

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