Description

6-Azidosulfonylhexyltriethoxysilane is a specialized bifunctional organosilane coupling agent that integrates a reactive azidosulfonyl group with a hydrolyzable triethoxysilane moiety. This unique molecular architecture enables it to act as a powerful surface modifier and crosslinking agent, facilitating strong covalent bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the advanced materials, specialty adhesives, and surface coating sectors seeking to enhance composite material performance, adhesion, and durability under demanding conditions.

Application

• Surface Priming Agent: Used to functionalize glass, silica, metals, and other inorganic surfaces to improve adhesion for subsequent coatings, paints, and adhesives.
• Crosslinker for Polymers: Serves as a reactive additive in silicone, polyurethane, and acrylic systems to introduce crosslinking sites, enhancing thermal stability and mechanical strength.
• Composite Material Fabrication: Critical for modifying fillers (e.g., silica, carbon black) in rubber and plastic composites to ensure optimal dispersion and interfacial bonding.
• Bio-conjugation and Immobilization: Utilized in R&D for attaching biomolecules to solid supports via the reactive azido group under mild, click-chemistry conditions.
• Hydrophobic & Protective Coatings: Applied in formulations for creating durable, water-repellent, and corrosion-resistant surface treatments.
• Adhesive and Sealant Formulations: Enhances the bonding performance and environmental resistance of high-performance industrial adhesives and sealants.

Basic Information

Product Name	6-Azidosulfonylhexyltriethoxysilane
CAS No.	96550-26-4
Molecular Formula	C12H27N3O5SSi
Molecular Weight	353.51 g/mol
Synonyms	6-(Azidosulfonyl)hexyltriethoxysilane; (6-Azidosulfonylhexyl)triethoxysilane; Triethoxy(6-sulfonylazidohexyl)silane; Azidosulfonylhexyltriethoxysilane; N3SO2(CH2)6Si(OCH2CH3)3; Silane coupling agent AZS-HTES
EINECS	Contact for details

Quality Control

Our production of 6-Azidosulfonylhexyltriethoxysilane adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including NMR, FT-IR, and HPLC, to verify chemical identity, purity, and the absence of critical impurities. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 2-8°C (refrigerated) or as specified on the label. This product is strictly light-sensitive and hygroscopic (moisture-sensitive). Keep container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (Karl Fischer)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	1.05 - 1.15 g/cm³

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