Description

1,1,3,3,5,5-Hexamethyl-1,3,5-Trisilacyclohexane is a specialized organosilicon compound, specifically a cyclic silane, with the CAS number 1627-99-2. This chemical is valued for its unique structure, which serves as a versatile building block in advanced materials synthesis and as a precursor for silicon-containing polymers. It is primarily sought after by R&D and production teams in the semiconductor, specialty polymer, and advanced coating industries. Its highly volatile nature makes it suitable for vapor-phase deposition processes and controlled chemical reactions.

Application

• Semiconductor Manufacturing: Used as a silicon-containing precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin films and silicon carbide (SiC) coatings.
• Advanced Polymer Synthesis: Acts as a key monomer or cross-linking agent for producing polysilanes, polysiloxanes, and other silicon-based polymers with tailored thermal and mechanical properties.
• Ceramic Precursor: Serves as a preceramic polymer for the fabrication of silicon carbide (SiC) or silicon oxycarbide (SiOC) ceramics via pyrolysis.
• Surface Modification: Employed to introduce hydrophobic or specific functional groups onto material surfaces for enhanced performance in coatings and composites.
• Research & Development: Utilized in organic and organometallic chemistry as a model compound or reagent for studying ring-opening reactions and developing new synthetic methodologies.
• Adhesives & Sealants: Incorporated as an additive to improve the thermal stability, water repellency, and adhesion properties of high-performance formulations.

Basic Information

Product Name	1,1,3,3,5,5-Hexamethyl-1,3,5-Trisilacyclohexane
CAS No.	1627-99-2
Molecular Formula	C9H24Si3
Molecular Weight	216.55 g/mol
Synonyms	Hexamethyltrisilacyclohexane; 1,3,5-Trisilacyclohexane, 1,1,3,3,5,5-hexamethyl-; Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl- (related); HMTS; Hexamethylcyclotrisilazane (common misnomer, related structure); Trisilacyclohexane, hexamethyl derivative; Contact for additional synonyms.
EINECS	216-638-4

Quality Control

Our 1,1,3,3,5,5-Hexamethyl-1,3,5-Trisilacyclohexane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR) spectroscopy, to ensure high purity and consistent composition. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated area, preferably at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. Containers must be kept tightly sealed when not in use to prevent evaporation and potential contamination from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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