Description

Triethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride is a bifunctional organosilicon quaternary ammonium compound, serving as a powerful coupling agent and surface modifier. Its unique structure combines a hydrolyzable triethoxysilyl group with a permanent cationic ammonium center, enabling strong covalent bonding to inorganic substrates while imparting durable antimicrobial and antistatic properties. This makes it a critical material for manufacturers in the coatings, plastics, textiles, and personal care industries seeking to enhance product performance and functionality.

Application

• Antimicrobial Surface Treatments: As a key ingredient in formulations for creating durable, non-leaching antimicrobial coatings on textiles, plastics, and medical devices.
• Fiber and Fabric Modification: Used to impart permanent softness, antistatic properties, and dye affinity to natural and synthetic fibers.
• Adhesion Promotion: Acts as a coupling agent in sealants, adhesives, and composite materials to improve bonding between organic polymers and inorganic surfaces like glass, metals, and minerals.
• Paper and Pulp Chemicals: Employed as a retention aid, drainage aid, and softening agent in paper manufacturing processes.
• Personal Care Products: Functions as a conditioning agent and preservative booster in hair care and skincare formulations.
• Soil and Stone Protection: Used in treatments for building materials to provide water repellency and inhibit microbial growth.

Basic Information

Product Name	Triethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride
CAS No.	84901-28-0
Molecular Formula	C15H36ClNO3Si
Molecular Weight	341.99 g/mol
Synonyms	3-(Triethoxysilyl)propyltriethylammonium chloride; N-Triethoxysilylpropyl-N,N,N-triethylammonium chloride; Triethyl(3-triethoxysilylpropyl)ammonium chloride; Silane quaternary ammonium salt; AQ-75 (common trade name); Organosilicon quat; Propyltriethoxysilane triethylammonium chloride; (3-Triethoxysilylpropyl)triethylammonium chloride
EINECS	284-708-0

Quality Control

Our production of Triethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including assay by titration, identification by FT-IR, and impurity profiling, to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment. We support compliance with global regulatory frameworks, including REACH.

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). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Chloride Content	Conforms
Refractive Index (n20D)	1.420 - 1.430
Density (20°C)	1.00 - 1.05 g/mL

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