Description

Octamethyltrisilane is a high-purity organosilicon compound, a key building block in advanced material synthesis. Its value lies in its role as a versatile precursor for creating silicon-based polymers and nanostructured materials with tailored properties. This product is essential for R&D and production in the semiconductor, specialty polymer, and advanced coating industries.

Application

• Semiconductor Manufacturing: As a precursor for silicon carbide (SiC) or silicon nitride (Si3N4) thin film deposition via chemical vapor deposition (CVD) or atomic layer deposition (ALD).
• Polymer Synthesis: Serving as a monomer or cross-linking agent in the production of polysilanes and other silicon-based polymers for high-performance materials.
• Surface Modification: Used to create hydrophobic or oleophobic coatings on glass, metals, and ceramics for protective and functional applications.
• Nanomaterial Production: Acting as a silicon source in the synthesis of silicon nanoparticles and quantum dots for optoelectronics and biomedical imaging.
• Adhesives & Sealants: A key intermediate for formulating high-temperature resistant and flexible silicone adhesives and sealants.
• Research & Development: A fundamental reagent in organometallic chemistry and material science research for developing new silicon-containing compounds.

Basic Information

Item	Detail
Product Name	Octamethyltrisilane
CAS No.	3704-44-7
Molecular Formula	C8H24Si3
Molecular Weight	204.53 g/mol
Synonyms	Trisilane, 1,1,1,2,2,3,3,3-octamethyl-; 1,1,1,2,2,3,3,3-Octamethyltrisilane; Octamethyl-trisilan; Trisilane, octamethyl-; NSC 241289
EINECS	223-048-7

Quality Control

Our Octamethyltrisilane is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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