Description

2,2-Dimethyl-3,6,9,12-Tetraoxa-2-Silatridecane is a specialized organosilicon compound featuring a unique siloxane-ether hybrid structure. This molecular design is critical for its role as a versatile coupling agent and surface modifier, bridging organic and inorganic materials. It is essential for manufacturers in the adhesives, sealants, coatings, and electronics industries seeking to enhance material compatibility, adhesion, and performance stability.

Application

• Adhesive & Sealant Formulation: Acts as an adhesion promoter and moisture scavenger in silicone and polyurethane systems.
• Surface Modification: Used to treat fillers (e.g., silica, glass) and pigments to improve dispersion and bonding in polymer matrices.
• Electronic Encapsulants: Enhances the reliability and moisture resistance of potting compounds and conformal coatings for electronic components.
• Specialty Coatings: Imparts improved wetting, flow, and substrate adhesion in high-performance industrial and protective coatings.
• Polymer Synthesis: Serves as a monomer or chain extender for synthesizing modified siloxane-polyether copolymers.
• Fiber Treatment: Applied as a sizing or finishing agent for glass and carbon fibers to optimize composite interface properties.

Basic Information

Product Name	2,2-Dimethyl-3,6,9,12-Tetraoxa-2-Silatridecane
CAS No.	864079-62-9
Molecular Formula	C9H22O4Si
Molecular Weight	222.36 g/mol
Synonyms	3-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]propyl-dimethylmethoxysilane; Dimethoxy[3-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]propyl]methylsilane; (3-(2-(2-(2-Methoxyethoxy)ethoxy)ethoxy)propyl)dimethoxymethylsilane; Methyl-dimethoxy-[3-[2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy]-propyl]-silane; Silane, dimethoxy[3-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]propyl]methyl-; PEG-modified silane; Polyethylene glycol monomethyl ether propyl dimethylmethoxysilane
EINECS	Contact for details

Quality Control

Our production of 2,2-Dimethyl-3,6,9,12-Tetraoxa-2-Silatridecane adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request 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). This material is hygroscopic (moisture-sensitive); keep the original container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.2%
Refractive Index (n20/D)	1.430 - 1.440
Density (20°C)	1.00 - 1.05 g/cm³

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