Description

Ethoxydimethoxy(2-Methylpropyl)Silane is a specialized organosilicon compound, specifically a mixed alkoxy silane derivative. This chemical is valued for its bifunctional reactivity, serving as a versatile coupling agent and surface modifier in advanced material synthesis. It is primarily utilized by manufacturers in the silicone polymers, coatings, and adhesives industries seeking to enhance material compatibility, adhesion, and cross-linking efficiency.

Application

• As a coupling agent in mineral-filled composites and rubber formulations to improve filler dispersion and mechanical properties.
• As a surface treatment agent for glass, silica, and metal oxides to promote adhesion with organic polymers.
• As a key intermediate in the synthesis of more complex silicone resins and functional siloxanes.
• In the formulation of moisture-curable sealants and adhesives, where it contributes to cross-linking and stability.
• For modifying polymer surfaces to impart hydrophobic characteristics or specific functional groups.
• In electronics and semiconductor applications as a precursor for dielectric layers or protective coatings.

Basic Information

Product Name	Ethoxydimethoxy(2-Methylpropyl)Silane
CAS No.	70776-22-6
Molecular Formula	C8H20O3Si
Molecular Weight	192.33 g/mol
Synonyms	(2-Methylpropyl)ethoxydimethoxysilane; Isobutyltriethoxysilane (mixed alkoxy analog); Dimethoxy(2-methylpropyl)ethoxy silane; 2-Methylpropyldimethylethoxysilane; Silane, ethoxydimethoxy(2-methylpropyl)-; Ethoxy(dimethoxy)(isobutyl)silane; Isobutyl(dimethoxy)ethoxysilane
EINECS	Contact for details

Quality Control

Our production of Ethoxydimethoxy(2-Methylpropyl)Silane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity verification, and impurity profiling, to ensure it meets precise customer and industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 nature, the container must be kept tightly sealed under a dry, inert atmosphere (e.g., nitrogen) to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.90 - 0.95 g/mL
Refractive Index (n20/D)	1.390 - 1.400
Water Content (Karl Fischer)	≤ 0.1%

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