Description

1,1,1-Trimethoxy-2,2,2-Trimethyldisilane is a specialized organosilicon compound that serves as a versatile building block and reagent in advanced material synthesis. Its unique disilane structure with methoxy and methyl substituents makes it a valuable precursor for introducing silicon-containing functional groups. This high-purity chemical is essential for manufacturers and R&D laboratories focused on developing novel silicon-based polymers, coatings, and surface-modifying agents.

Application

• Silicon Polymer Synthesis: A key monomer or cross-linking agent in the production of polysilanes, polysiloxanes, and other specialty silicone polymers.
• Surface Modification & Coupling Agent: Used to functionalize inorganic surfaces (e.g., silica, glass, metals) with organic groups, improving adhesion and compatibility in composite materials.
• Semiconductor & Electronics Manufacturing: Employed as a precursor in chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes for depositing silicon-containing thin films.
• Organic Synthesis Reagent: Acts as a silylating or protecting agent in complex organic synthesis, particularly in pharmaceutical and agrochemical intermediate production.
• Adhesive & Sealant Formulations: Imparts specific properties like moisture resistance and thermal stability to high-performance adhesives and sealants.
• Research & Development: A critical reagent for academic and industrial R&D exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	1,1,1-Trimethoxy-2,2,2-Trimethyldisilane
CAS No.	18000-25-4
Molecular Formula	C8H22O3Si2
Molecular Weight	222.43 g/mol
Synonyms	Hexamethoxydisilane (common misnomer); 1,1,1-Trimethoxy-2,2,2-trimethyldisilane; Disilane, 1,1,1-trimethoxy-2,2,2-trimethyl-; Trimethoxy(trimethylsilyl)methylsilane; (Trimethylsilyl)trimethoxysilane; TMS-TMOS; Bis(trimethylsilyl) ether derivative precursor
EINECS	Contact for details

Quality Control

Our 1,1,1-Trimethoxy-2,2,2-Trimethyldisilane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every 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 at room temperature (15-25°C). Due to its highly volatile and hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and moisture absorption. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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