Description

Bis(Ethoxydimethylsilyl)Methane CAS NO 17887-25-1 is a specialized organosilicon compound, a silyl-modified alkane, serving as a versatile building block and crosslinking agent in advanced material synthesis. Its core value lies in introducing dual ethoxysilyl functionalities, enabling controlled hydrolysis and condensation reactions to form robust siloxane networks. This product is essential for R&D and production in industries focused on creating high-performance silicone polymers, hydrophobic coatings, and tailored surface modifiers.

Application

• As a key monomer or crosslinker in the synthesis of novel silicone resins and elastomers with enhanced mechanical properties.
• In the formulation of moisture-curable adhesives, sealants, and coatings, where it contributes to improved adhesion and environmental resistance.
• For surface modification of inorganic materials like silica, glass, or metals to impart permanent hydrophobicity or alter surface energy.
• As a precursor in sol-gel chemistry for producing hybrid organic-inorganic materials with tailored porosity and functionality.
• In the development of release coatings and anti-fouling surfaces within the specialty chemicals sector.
• For research into novel organosilicon compounds and as a standard in analytical chemistry.

Basic Information

Product Name	Bis(Ethoxydimethylsilyl)Methane
CAS No.	17887-25-1
Molecular Formula	C9H24O2Si2
Molecular Weight	220.46 g/mol
Synonyms	1,1'-(Methylenebis(oxy))bis(1,1-dimethylethoxysilane); Methane, bis(ethoxydimethylsilyl)-; Ethoxydimethylsilylmethane; Bis(dimethylethoxysilyl)methane; Diethoxydimethylsilylmethane (common naming variation); DS-100 (potential trade name); Silyl-modified crosslinker
EINECS	Contact for details

Quality Control

Our production of Bis(Ethoxydimethylsilyl)Methane adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and Karl Fischer titration. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your material specifications.

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 hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.86 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.