Description

1,2,3,4,5,6,7,8-Octamethylcyclotetrasilazane is a high-purity organosilicon compound, specifically a cyclic silazane, that serves as a crucial precursor in advanced material synthesis. Its primary value lies in its ability to introduce silicon-nitrogen frameworks, enabling the production of materials with tailored thermal, mechanical, and dielectric properties. This chemical is essential for R&D and manufacturing in the electronics, aerospace, and specialty polymer industries, where precise molecular control is paramount for performance.

Application

• Precursor for Silicon Nitride (Si3N4) Ceramics: Used in chemical vapor deposition (CVD) or precursor-derived ceramics to create high-temperature, wear-resistant components.
• Surface Modification Agent: Imparts hydrophobic or specific functional groups to silica, metals, or other inorganic surfaces.
• Synthesis of Silicone Polymers and Resins: Acts as a cross-linking agent or monomer for creating novel polysilazanes and silicone-based materials with enhanced properties.
• Electronics and Semiconductor Manufacturing: Employed in the deposition of silicon nitride thin films for passivation layers, gate dielectrics, and diffusion barriers.
• Production of Specialty Coatings: Forms the basis for protective, heat-resistant, or anti-corrosive coatings on various substrates.
• Intermediate in Pharmaceutical & Agrochemistry: Used in the synthesis of complex molecules containing silicon for specialized applications.

Basic Information

Product Name	1,2,3,4,5,6,7,8-Octamethylcyclotetrasilazane
CAS No.	2587-47-5
Molecular Formula	C8H24N4Si4
Molecular Weight	292.66 g/mol
Synonyms	Octamethylcyclotetrasilazane; 1,2,3,4-Tetrakis(dimethylsilyl)tetrazane; Cyclotetrasilazane, octamethyl-; OMCTS-N; Tetrakis(dimethylsilylamino)silane; Perhydrate of octamethylcyclotetrasiloxane (related); HN[Si(CH3)2NH]3Si(CH3)2 (structural representation); 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane (IUPAC)
EINECS	219-984-1

Quality Control

Our 1,2,3,4,5,6,7,8-Octamethylcyclotetrasilazane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous demands of industrial and research applications, ensuring reliable performance in your processes.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or NMR)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.92 g/mL
Refractive Index (n20D)	~1.43

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