Description

Tributyl(3-Trimethoxysilylpropyl)Azanium Bromide is a quaternary ammonium salt functionalized with a trialkoxysilyl group, making it a versatile organosilane coupling agent. This dual functionality is critical for creating strong, durable bonds between organic polymers and inorganic substrates like glass, metals, and minerals. It is primarily needed by formulators and manufacturers in the adhesives, sealants, coatings, and composite materials industries to enhance product performance and longevity.

Application

• Adhesive & Sealant Formulation: Acts as an adhesion promoter, significantly improving bond strength and moisture resistance in silicone, polyurethane, and epoxy-based systems.
• Surface Modification: Used to treat glass fibers, minerals (e.g., silica, clay), and metal surfaces to improve compatibility and dispersion within polymer matrices.
• Composite Materials: Enhances the interfacial adhesion between reinforcing fibers (glass, carbon) and resin in fiber-reinforced plastics (FRP), leading to superior mechanical properties.
• Coatings & Inks: Improves the adhesion of protective and decorative coatings to difficult substrates, increasing scratch resistance and durability.
• Rubber & Elastomer Processing: Functions as a coupling agent in filled rubber compounds to enhance reinforcement from fillers like silica.
• Research & Development: Serves as a key intermediate in organic synthesis and materials science research for developing novel hybrid organic-inorganic materials.

Basic Information

Product Name	Tributyl(3-Trimethoxysilylpropyl)Azanium Bromide
CAS No.	147366-30-1
Molecular Formula	C16H38BrNO3Si
Molecular Weight	400.48 g/mol
Synonyms	N-Tributyl-3-(trimethoxysilyl)-1-propanaminium bromide; (3-Trimethoxysilylpropyl)tributylammonium bromide; Tributyl[3-(trimethoxysilyl)propyl]ammonium bromide; Tributyl(3-trimethoxysilylpropyl)ammonium bromide; SCA-A01 (common trade designation); Silane coupling agent A-1114 (analogous); Quaternary ammonium silane; Organosilane quat
EINECS	Contact for details

Quality Control

Our production of Tributyl(3-Trimethoxysilylpropyl)Azanium Bromide adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, keep the container tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Refractive Index (n20D)	1.430 - 1.450
Density (g/mL, 20°C)	1.05 - 1.15

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