Description

Hexadecyldimethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride is a high-purity organosilane quaternary ammonium compound that serves as a powerful coupling agent and antimicrobial modifier. Its unique bifunctional structure provides superior surface adhesion and durable biocidal properties to treated materials. This product is essential for manufacturers in the coatings, textiles, and polymer industries seeking to create self-sanitizing surfaces with enhanced durability and performance.

Application

• Antimicrobial Surface Modification: Covalent bonding to glass, metals, and polymers to create long-lasting self-disinfecting surfaces for medical devices, touchscreens, and public fixtures.
• Functional Coatings & Paints: As an additive to impart durable antimicrobial and antifungal properties to architectural paints, marine coatings, and industrial finishes.
• Textile & Fiber Treatment: Permanent finishing agent for producing antimicrobial textiles used in healthcare, sportswear, and upholstery fabrics.
• Adhesion Promotion: Silane coupling agent to improve the bond strength between organic polymers and inorganic substrates like glass or metals in composite materials.
• Personal Care & Cosmetics: Ingredient for formulating preservative systems in products requiring substantive antimicrobial action on skin or hair.
• Water Treatment Systems: Functionalization of filter media and membranes to prevent biofilm formation and microbial fouling.

Basic Information

Product Name	Hexadecyldimethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride
CAS No.	94134-21-1
Molecular Formula	C27H60ClNO3Si
Molecular Weight	510.31 g/mol
Synonyms	3-(Trimethoxysilyl)propyldimethyloctadecylammonium chloride; N,N-Dimethyl-N-octadecyl-3-(trimethoxysilyl)-1-propanaminium chloride; Octadecyldimethyl(3-trimethoxysilylpropyl)ammonium chloride; DOW CORNING® 5700 Antimicrobial Agent; Silane quaternary ammonium compound; AEM 5700; (3-(Trimethoxysilyl)propyl)dimethyloctadecylammonium chloride; Organosilane quat
EINECS	Contact for details

Quality Control

Our production of Hexadecyldimethyl[3-(Triethoxysilyl)Propyl]Ammonium Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Every lot is analyzed to confirm critical parameters including identity, purity, and active content. Certificates of Analysis (COA) documenting full specifications are provided with each shipment. Our quality system supports compliance with relevant global chemical management regulations.

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 material is hygroscopic (moisture-sensitive); keep container tightly sealed when not in use to prevent degradation from atmospheric moisture. Keep away from strong acids and bases.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Active Content)	≥ 40.0 % (in Methanol)
Purity (HPLC)	≥ 95.0 %
Water Content (KF)	≤ 1.0 %
Chloride Content	Conforms
pH (5% in MeOH/H2O)	5.0 - 7.0
Specific Gravity (25°C)	0.89 - 0.92

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