Description

9,9-Bis[2-(2-Methoxyethoxy)Ethoxy]-2,5,8-Trioxa-9-Siladodecan-12-Thiol is a specialized organosilane derivative featuring a unique polyether chain terminated with a reactive thiol group. This compound matters for its dual functionality, offering both excellent surface wetting and adhesion promotion through its silane moiety, and the ability to form stable bonds or initiate polymerization via its terminal thiol. It is primarily needed by manufacturers in the coatings, adhesives, and advanced material sectors seeking to enhance the performance and durability of their formulations.

Application

• Surface Modification Agent: Used to functionalize metal oxides (e.g., silica, titania) and other inorganic surfaces to improve dispersion in polymer matrices and organic solvents.
• Adhesion Promoter: Enhances the bond strength between organic coatings, adhesives, or sealants and inorganic substrates like glass, metals, and ceramics.
• Crosslinking Agent: Serves as a chain transfer or crosslinking component in thiol-ene "click" chemistry reactions for creating polymer networks, hydrogels, and dendrimers.
• Nanoparticle Capping Ligand: Stabilizes gold, silver, and quantum dot nanoparticles, preventing aggregation and providing a biocompatible or further-functionalizable surface.
• Lubricant & Release Coating Additive: Imparts lubricity and anti-stick properties to surfaces in specialized industrial applications.
• Intermediate for Specialty Chemicals: Acts as a key building block for synthesizing more complex silane-based surfactants and functional materials.

Basic Information

Product Name	9,9-Bis[2-(2-Methoxyethoxy)Ethoxy]-2,5,8-Trioxa-9-Siladodecan-12-Thiol
CAS No.	87994-63-6
Molecular Formula	C17H38O8SSi
Molecular Weight	454.63 g/mol
Synonyms	(3-Mercaptopropyl)bis(2-(2-methoxyethoxy)ethoxy)silane; 3-Mercaptopropyltris(2-(2-methoxyethoxy)ethoxy)silane (common trade name); SH-PEG-silane; Thiol-PEG-silane; Silane AY 43-310 (potential trade designation); 9,9-Bis[2-(2-methoxyethoxy)ethoxy]-2,5,8-trioxa-9-siladodecane-12-thiol; γ-Mercaptopropyl tris(2-(2-methoxyethoxy)ethoxy)silane
EINECS	Contact for details

Quality Control

Our production of 9,9-Bis[2-(2-Methoxyethoxy)Ethoxy]-2,5,8-Trioxa-9-Siladodecan-12-Thiol adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profile, and physical properties are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C to minimize oxidation and moisture absorption. Allow the container to reach room temperature before opening to prevent condensation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.450 - 1.460
Density (g/mL, 20°C)	1.08 - 1.12

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