Description

1,1,2-Triethoxy-1,2,2-Trimethyldisilane is a specialized organosilicon compound that serves as a versatile building block in advanced materials synthesis. Its unique disilane structure with alkoxy and methyl substituents makes it a valuable precursor for introducing silicon-based functionalities. This chemical is essential for manufacturers and R&D facilities in the electronics and specialty polymers sectors seeking to develop materials with tailored surface properties and enhanced performance.

Application

• Silicon-Containing Polymer Synthesis: A key monomer or cross-linking agent for producing polysilanes, siloxane polymers, and other silicon-based hybrid materials.
• Surface Modification & Coupling Agent: Used to functionalize inorganic surfaces (e.g., silica, glass) to improve adhesion and compatibility with organic matrices in composites and coatings.
• Semiconductor & Electronics Manufacturing: Employed as a precursor in chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes for depositing silicon-containing thin films.
• Silicone Resin & Elastomer Modification: Acts as a modifying agent to alter the properties of silicone-based formulations, influencing cure kinetics, thermal stability, and mechanical characteristics.
• Organic Synthesis Intermediate: Serves as a protected or functionalized silicon reagent in sophisticated organic synthesis, particularly in pharmaceutical and agrochemical research.
• Hydrophobic Coating Formulations: Imparts water-repellent properties to surfaces when incorporated into specialty coating systems.

Basic Information

Product Name	1,1,2-Triethoxy-1,2,2-Trimethyldisilane
CAS No.	17861-33-5
Molecular Formula	C11H28O3Si2
Molecular Weight	264.51 g/mol
Synonyms	Disilane, 1,1,2-triethoxy-1,2,2-trimethyl-; 1,2,2-Trimethyl-1,1,2-triethoxydisilane; Triethoxytrimethyldisilane; Trimethyltriethoxydisilane; (Triethoxysilyl)dimethylmethylsilane; TETMDS (abbreviation)
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch of 1,1,2-Triethoxy-1,2,2-Trimethyldisilane is characterized using advanced analytical techniques to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Containers should be kept tightly sealed when not in use to prevent evaporation and moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~0.88 g/mL
Refractive Index (n20D)	~1.405

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