Description

2,2,4,4,6,6-Hexamethyl-1,3-Dioxa-2,4,6-Trisilacyclohexane is a specialized organosilicon compound, specifically a cyclic siloxane, valued for its role as a key intermediate and building block in advanced material synthesis. Its unique structure provides a versatile platform for creating silicone-based polymers and modifying surface properties. This chemical is essential for manufacturers and R&D teams in the silicone, electronics, and specialty coatings industries seeking to develop high-performance materials.

Application

• Silicone Polymer Synthesis: Serves as a crucial monomer or cross-linking agent in the production of polysiloxanes and silicone resins.
• Surface Modification Agent: Used to impart hydrophobic, release, or protective properties to glass, metals, and other inorganic surfaces.
• Electronics & Semiconductor Industry: Acts as a precursor for dielectric layers, insulating coatings, and passivation materials in microelectronics.
• Specialty Additives: Incorporated into formulations to enhance the thermal stability and rheological properties of various industrial products.
• Adhesives & Sealants: Functions as a modifier to improve adhesion, flexibility, and environmental resistance in high-performance formulations.
• Research & Development: A valuable intermediate for organic and organometallic chemists developing novel silicon-containing compounds and materials.

Basic Information

Product Name	2,2,4,4,6,6-Hexamethyl-1,3-Dioxa-2,4,6-Trisilacyclohexane
CAS No.	17945-19-6
Molecular Formula	C9H24O2Si3
Molecular Weight	248.55 g/mol
Synonyms	Hexamethylcyclotrisiloxane (common misnomer for related compound, often used in searches); 1,3,5-Trioxa-2,4,6-trisilacyclohexane, 2,2,4,4,6,6-hexamethyl-; Cyclic trimethylsiloxane derivative; D3 derivative (referring to the three-silicon ring); HMCTS; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our production of 2,2,4,4,6,6-Hexamethyl-1,3-Dioxa-2,4,6-Trisilacyclohexane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated area away from heat and ignition sources. Recommended storage temperature is 2-8°C to minimize volatility and maintain stability. Keep container tightly sealed when not in use to prevent moisture ingress and concentration changes.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.95 g/mL
Refractive Index (n20D)	~1.390

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