Description

2-(4-Pyridylethyl)Thiopropyltrimethoxysilane is a specialized bifunctional organosilane coupling agent that combines a hydrolyzable trimethoxysilane group with a pyridyl and thioether functional group. This unique molecular structure makes it a critical component for creating durable chemical bridges between inorganic substrates and organic polymers. It is essential for manufacturers and R&D chemists in advanced material science seeking to enhance adhesion, dispersion, and compatibility in composite systems. The compound is particularly valuable for surface modification and as a key intermediate in the synthesis of high-performance silane-modified materials.

Application

• Surface Modification Agent: Used to treat glass, silica, metals, and other inorganic fillers to improve their compatibility and bonding with polymer matrices like epoxies, polyurethanes, and rubbers.
• Adhesion Promoter: Enhances the adhesion of coatings, sealants, and adhesives to difficult-to-bond substrates, including metals and glass.
• Filler and Pigment Treatment: Improves the dispersion and load-bearing capacity of fillers (e.g., silica, carbon black) in composite materials, reducing viscosity and enhancing mechanical properties.
• Polymer Modification Intermediate: Serves as a key monomer or grafting agent in the synthesis of specialty polymers and block copolymers with tailored surface properties.
• Rubber Reinforcement: Acts as a coupling agent in silica-filled rubber compounds (e.g., for green tires) to reduce rolling resistance and improve wear characteristics.
• Chromatography and Separation Media: Utilized for the functionalization of silica gel and other stationary phases for HPLC and affinity chromatography.
• Corrosion-Resistant Coatings: Incorporated into primer formulations to improve the corrosion protection of metal surfaces by enhancing coating adhesion and barrier properties.
• Bioconjugation and Sensor Fabrication: The pyridyl group can be used for further chemical attachment, making it useful in developing biosensors and diagnostic platforms.

Basic Information

Product Name	2-(4-Pyridylethyl)Thiopropyltrimethoxysilane
CAS No.	198567-47-4
Molecular Formula	C13H23NO3SSi
Molecular Weight	301.48 g/mol
Synonyms	3-((2-(Pyridin-4-yl)ethyl)thio)propyltrimethoxysilane; (3-((2-(4-Pyridyl)ethyl)thio)propyl)trimethoxysilane; 2-(4-Pyridylethyl)thiopropyltrimethoxysilane; Pyridylethylthiopropyltrimethoxysilane; Silane coupling agent KH-XXX (commercial grade designations may vary); 4-Pyridylethylthiopropyltrimethoxysilane; N/A
EINECS	Contact for details

Quality Control

Our production of 2-(4-Pyridylethyl)Thiopropyltrimethoxysilane adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key specifications such as assay, identity, and impurity profiles. Our quality system is designed to meet the demands of global industrial and research applications, ensuring reliability for your critical processes.

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); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20/D)	1.490 - 1.510
Density (g/mL, 25°C)	1.05 - 1.10

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