Description

1,1,1-Trichloro-2,2,2-Trimethyldisilane is a highly reactive organosilicon compound that serves as a versatile building block in advanced materials synthesis. Its value lies in its ability to introduce silyl groups and act as a precursor for silicon-containing polymers and surface modifications. This chemical is essential for researchers and manufacturers in the semiconductor, specialty polymer, and pharmaceutical intermediates sectors seeking to develop novel silicon-based materials.

Application

• Semiconductor Manufacturing: As a key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create silicon carbide (SiC) or silicon nitride (SiN) thin films.
• Surface Functionalization: For modifying inorganic or polymer surfaces to alter wettability, adhesion, or chemical resistance properties.
• Polymer Synthesis: As a monomer or cross-linking agent in the production of polysilanes, polysiloxanes, and other silicon-based polymers.
• Organic Synthesis: Employed as a silylating agent or protecting group reagent in the synthesis of complex organic molecules and pharmaceutical intermediates.
• Nanomaterial Production: Used in the synthesis of silicon-based nanoparticles and quantum dots for optoelectronic applications.
• Adhesives & Sealants: As an additive to enhance the thermal stability and mechanical properties of high-performance formulations.

Basic Information

Product Name	1,1,1-Trichloro-2,2,2-Trimethyldisilane
CAS No.	18026-87-4
Molecular Formula	C3H9Cl3Si2
Molecular Weight	212.04 g/mol
Synonyms	Trimethyltrichlorodisilane; Disilane, 1,1,1-trichloro-2,2,2-trimethyl-; 1,1,1-Trichloro-2,2,2-trimethyldisilane; Trichloro(trimethylsilyl)silane; (Trichlorosilyl)trimethylsilane; TTMDS; Trimethylsilyltrichlorosilane
EINECS	Contact for details

Quality Control

Our 1,1,1-Trichloro-2,2,2-Trimethyldisilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C (refrigerated) to minimize volatility and degradation. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (argon or nitrogen) when not in use. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.10 - 1.20 g/mL
Refractive Index (n20D)	1.430 - 1.450
Chloride Content	48.0 - 52.0 %

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