Description

1,2-Bis(Dimethylmethoxysilyl)Ethane is a specialized organosilicon compound, also known as a bis-silane, featuring dual methoxysilyl groups. This structure makes it a valuable cross-linking agent and surface modifier, particularly in advanced material synthesis. It is primarily utilized by manufacturers in the silicone polymers, adhesives, and coatings industries seeking to enhance material properties like adhesion, hydrophobicity, and thermal stability.

Application

• Cross-linking agent in the synthesis of silicone resins and elastomers.
• Surface treatment agent for inorganic fillers (e.g., silica, glass) to improve compatibility with organic polymer matrices.
• Adhesion promoter in sealants, adhesives, and primers for metals, glass, and plastics.
• Precursor for hybrid organic-inorganic materials (ORMOSILs) used in protective and optical coatings.
• Intermediate in the pharmaceutical and agrochemical industries for introducing silyl groups.
• Moisture-curable systems where its methoxy groups hydrolyze to form siloxane networks.

Basic Information

Product Name	1,2-Bis(Dimethylmethoxysilyl)Ethane
CAS No.	74485-31-7
Molecular Formula	C8H22O2Si2
Molecular Weight	206.43 g/mol
Synonyms	Ethane-1,2-diylbis(dimethylmethoxysilane); 1,2-Bis(methoxydimethylsilyl)ethane; Bis(methoxydimethylsilyl)ethane; Dimethylmethoxysilyl Ethane Dimer; (Dimethylmethoxysilyl)ethane; Methoxydimethylsilyl Ethane Derivative; Cross-linker 74485-31-7
EINECS	Contact for details

Quality Control

Our production of 1,2-Bis(Dimethylmethoxysilyl)Ethane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.410 - 1.420
Density (20°C)	0.88 - 0.92 g/mL

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