Description

4,4,13,13-Tetraethoxy-3,14-Dioxa-7,8,9,10-Tetrathia-4,13-Disilahexadecane is a specialized organosilicon compound containing a unique disila-crown ether-like structure with integrated sulfur and oxygen atoms. This molecular architecture makes it a valuable precursor and intermediate for advanced material science and coordination chemistry applications. It is particularly sought after by researchers and manufacturers in the fields of polymer modification, specialty adhesives, and as a ligand or building block for novel inorganic-organic hybrid materials.

Application

• Crosslinking Agent & Adhesion Promoter: Used in the formulation of high-performance silicone adhesives, sealants, and coatings to enhance crosslink density and improve adhesion to difficult substrates.
• Polymer Modification: Serves as a functional monomer or additive for modifying the properties of engineering plastics and elastomers, imparting improved thermal stability or chemical resistance.
• Ligand Synthesis: Acts as a key intermediate for synthesizing complex chelating ligands used in catalysis, metal extraction, and sensor technology due to its mixed O/S donor atom set.
• Hybrid Material Precursor: Employed in sol-gel processes to create inorganic-organic hybrid materials (e.g., ORMOSILs) with tailored porosity, surface functionality, and mechanical properties.
• Surface Treatment Agent: Utilized for surface modification of fillers (like silica) and nanoparticles to improve dispersion and compatibility within polymer matrices.
• Research & Development: A valuable compound for academic and industrial R&D focused on novel organosilicon chemistry, supramolecular assemblies, and advanced material design.

Basic Information

Product Name	4,4,13,13-Tetraethoxy-3,14-Dioxa-7,8,9,10-Tetrathia-4,13-Disilahexadecane
CAS No.	41453-79-6
Molecular Formula	C20H44O6S4Si2
Molecular Weight	569.0 g/mol (approx.)
Synonyms	Bis[2-(3,4-ethylenedithio)-1,3-dioxa-2-silacyclopentane]; 2,2'-[(Ethylenedithio)bis(ethyleneoxy)]bis[1,3-dioxa-2-silacyclopentane]; 1,3-Dioxa-2-silacyclopentane, 2,2'-[(ethylenedithio)bis(ethyleneoxy)]bis-; Tetraethoxy Disila Thioether Crown Ether Analog; Silicon-sulfur crown ether derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 4,4,13,13-Tetraethoxy-3,14-Dioxa-7,8,9,10-Tetrathia-4,13-Disilahexadecane adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, GC-MS, and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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 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. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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