Description

2,2,4,4,6,6-Hexamethylcyclotrisilazane is a highly reactive organosilicon compound belonging to the cyclosilazane class, serving as a crucial precursor for advanced silicon-based materials. Its value lies in its ability to act as a versatile building block for introducing silicon-nitrogen functionalities into polymers, coatings, and surface modifications. This product is essential for R&D and production teams in the semiconductor, specialty polymer, and advanced ceramics industries, where precise control over material properties is paramount.

Application

• Semiconductor Manufacturing: Key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create silicon nitride (SiN) or silicon carbonitride (SiCN) thin films as dielectric or passivation layers.
• Polymer Synthesis: Used as a monomer or cross-linking agent for synthesizing polysilazanes, which are pre-ceramic polymers for high-performance ceramics and composite materials.
• Surface Modification: Employed as a silylating agent to modify the surface properties of silica, metals, or other inorganic fillers to improve dispersion and compatibility in polymer matrices.
• Advanced Ceramics: Serves as a polymer-derived ceramic (PDC) precursor for producing silicon nitride or silicon oxynitride ceramics with high thermal stability and mechanical strength.
• Protective Coatings: Basis for developing heat-resistant, anti-corrosive, or hydrophobic coatings on metals, glass, and other substrates.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the synthesis of complex molecules requiring silicon-nitrogen frameworks.

Basic Information

Item	Detail
Product Name	2,2,4,4,6,6-Hexamethylcyclotrisilazane
CAS No.	1009-93-4
Molecular Formula	C9H27N3Si3
Molecular Weight	261.59 g/mol
Synonyms	Hexamethylcyclotrisilazane; 1,3,5-Trimethyl-1,3,5-trimethylcyclotrisilazane; Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl-; HMCTS; Tris(trimethylsilyl)amine cyclic trimer; N,N',N''-Tris(trimethylsilyl)cyclotrisilazane; 2,4,6-Trimethyl-2,4,6-trimethylcyclotrisilazane
EINECS	213-773-1

Quality Control

Our 2,2,4,4,6,6-Hexamethylcyclotrisilazane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for demanding applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards of the electronics and advanced materials sectors.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and must be stored under a dry, inert atmosphere (e.g., nitrogen or argon) in a cool, dry place. Recommended storage temperature is 2-8°C to maintain stability and prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.1 %
Density (20°C)	0.92 - 0.96 g/mL
Refractive Index (n20D)	1.430 - 1.440

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