Description

3,3,14,14-Tetramethoxy-2,15-Dioxa-7,8,9,10-Tetrathia-3,14-Disilahexadecane is a specialized organosilicon compound featuring a unique disiloxane core bridged by a tetrathia chain, making it a valuable intermediate in advanced material synthesis. This compound matters for its ability to act as a functional linker or cross-linking agent, imparting specific thermal and chemical resistance properties to final products. It is primarily needed by R&D chemists and manufacturers in the electronics, specialty polymer, and advanced coating industries seeking to develop high-performance materials.

Application

• As a key monomer or cross-linker in the synthesis of novel polysiloxane and polythioether hybrid polymers with tailored properties.
• As a surface-modifying agent or adhesion promoter in specialty coatings and sealants for demanding environments.
• As a precursor for advanced electronic materials, including encapsulants and dielectric layers.
• In the development of ion-conductive membranes for battery and fuel cell applications.
• As a building block for dendrimers and complex molecular architectures in nanotechnology research.
• For the functionalization of silica nanoparticles to enhance compatibility in composite materials.

Basic Information

Product Name	3,3,14,14-Tetramethoxy-2,15-Dioxa-7,8,9,10-Tetrathia-3,14-Disilahexadecane
CAS No.	41453-78-5
Molecular Formula	C16H38O6S4Si2
Molecular Weight	514.88 g/mol
Synonyms	Bis[3-(trimethoxysilyl)propyl] Tetrasulfide; Si 69; TESPT; Tetrasulfide, bis(3-(trimethoxysilyl)propyl)-; NXT Silane; X50-S; Coupling Agent Si-69; 3,3,14,14-Tetramethoxy-2,15-dioxa-7,8,9,10-tetrathia-3,14-disilahexadecane
EINECS	Contact for details

Quality Control

Our production of 3,3,14,14-Tetramethoxy-2,15-Dioxa-7,8,9,10-Tetrathia-3,14-Disilahexadecane adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay and impurity profiling, to meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Sulfur Content	22.0 - 24.0 %
Specific Gravity (20°C)	1.08 - 1.12
Refractive Index (n20D)	1.480 - 1.490

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