Description

n-(3-Triethoxysilylpropyl)-4-Hydroxybutyramide is a specialized organosilane coupling agent that combines a reactive triethoxysilyl group with a hydroxybutyramide functional group. This unique bifunctional structure is critical for creating strong, durable bonds between inorganic substrates and organic polymers. It is primarily needed by manufacturers in the advanced composites, adhesives, and coatings industries seeking to enhance material performance and longevity.

Application

• As a key adhesion promoter in high-performance silicone sealants and adhesives.
• To improve the bonding and dispersion of fillers in reinforced polymer composites and engineering plastics.
• As a surface modifying agent for glass, minerals, and metals to enhance coating adhesion and corrosion resistance.
• In the formulation of specialty paints and coatings to improve durability and weather resistance.
• For the surface treatment of nanoparticles to ensure compatibility in advanced nanocomposite materials.
• In the production of moisture-curable resins and crosslinking agents.

Basic Information

Product Name	n-(3-Triethoxysilylpropyl)-4-Hydroxybutyramide
CAS No.	186543-03-3
Molecular Formula	C13H29NO5Si
Molecular Weight	307.46 g/mol
Synonyms	4-Hydroxy-N-[3-(triethoxysilyl)propyl]butyramide; 3-(Triethoxysilyl)propyl 4-hydroxybutyramide; γ-((4-Hydroxybutyryl)amino)propyltriethoxysilane; Silane coupling agent KH-?? (Trade name variant); Amino silane derivative; Organofunctional silane; Adhesion promoter; SCA 186543-03-3
EINECS	Contact for details

Quality Control

Our n-(3-Triethoxysilylpropyl)-4-Hydroxybutyramide is produced under a strict quality management system. Each batch undergoes comprehensive analysis to ensure consistent purity and performance. Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles 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 area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Refractive Index (n20/D)	1.420 - 1.440
Density (g/mL, 20°C)	1.00 - 1.05

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