Description

n-[5-(Trimethoxysilyl)-2-Aza-1-Oxopentyl]Caprolactam is a specialized organosilane coupling agent that integrates a caprolactam moiety with a reactive trimethoxysilyl group. This unique bifunctional structure is critical for creating durable covalent bonds between organic polymers and inorganic substrates, significantly enhancing composite material performance. It is essential for manufacturers in the advanced materials sector seeking to improve adhesion, mechanical strength, and environmental resistance in their products.

Application

• As a key adhesion promoter in fiber-reinforced polymer composites (e.g., glass fiber, carbon fiber).
• Surface modification of inorganic fillers (silica, alumina) to improve dispersion and compatibility in engineering plastics and rubber.
• Formulation of high-performance primers and coatings for metals, glass, and ceramics to enhance corrosion resistance and durability.
• Manufacture of silicone-modified polymers and sealants with improved weatherability and adhesion properties.
• Used in the production of electronic encapsulants and molding compounds to reduce stress and improve reliability.
• Research and development of novel hybrid organic-inorganic materials (ORMOSIL) for optical and biomedical applications.

Basic Information

Product Name	n-[5-(Trimethoxysilyl)-2-Aza-1-Oxopentyl]Caprolactam
CAS No.	106996-32-1
Molecular Formula	C15H30N2O5Si
Molecular Weight	346.50 g/mol
Synonyms	Caprolactam, N-[3-(trimethoxysilyl)propyl]-, carbamate; N-(3-Trimethoxysilylpropyl)caprolactam carbamate; 1-[3-(Trimethoxysilyl)propyl]azepan-2-one carbamate; Caprolactam carbamate silane; U-411 (common trade name); Silane coupling agent LZ-95; γ-(Caprolactam carbamate)propyltrimethoxysilane; 3-(Trimethoxysilyl)propyl caprolactam carbamate
EINECS	Contact for details

Quality Control

Our production of n-[5-(Trimethoxysilyl)-2-Aza-1-Oxopentyl]Caprolactam adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity confirmation, assay, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided and can be tailored to meet specific customer or regulatory requirements.

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); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen) for long-term storage to prevent hydrolysis and maintain efficacy.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Refractive Index (n20D)	1.460 - 1.470
Density (g/mL, 20°C)	1.08 - 1.12
Moisture (KF)	≤ 0.5%

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