Description

Acetamidopropyltrimethoxysilane is a bifunctional organosilane coupling agent featuring both a reactive methoxysilane group and a polar acetamido group. This unique structure makes it a powerful intermediary for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is essential for formulators and manufacturers seeking to improve the mechanical properties, durability, and moisture resistance of composite materials. Key industries that rely on this silane include advanced composites, adhesives, sealants, and coatings.

Application

• As a coupling agent in glass fiber-reinforced plastics (GRP) and mineral-filled composites to improve interfacial bonding and mechanical strength.
• Surface modification of silica, alumina, and other inorganic fillers to enhance their dispersion and compatibility in polymer matrices like epoxy, polyurethane, and nylon.
• Primer or adhesion promoter in sealant, adhesive, and coating formulations, particularly for challenging substrates.
• Key intermediate in the synthesis of more complex specialty silanes and silicone-modified polymers.
• Used in the production of moisture-curable resins and crosslinking agents.
• Potential application in biomedical and dental materials for surface functionalization.

Basic Information

Item	Detail
Product Name	Acetamidopropyltrimethoxysilane
CAS No.	57757-66-1
Molecular Formula	C8H19NO4Si
Molecular Weight	221.33 g/mol
Synonyms	3-(Acetamidopropyl)trimethoxysilane; N-[3-(Trimethoxysilyl)propyl]acetamide; Acetamidopropyltrimethoxysilane; γ-Acetamidopropyltrimethoxysilane; AAPTMS; Silane AAPTMS; 3-Acetamidopropyltrimethoxysilane; N-(3-Trimethoxysilylpropyl)acetamide
EINECS	Contact for details

Quality Control

Our Acetamidopropyltrimethoxysilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to ISO 9001 quality management standards. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity, purity, and absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with every shipment.

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). The product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent hydrolysis and degradation. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	1.05 - 1.10 g/cm³
Moisture (KF)	≤ 0.5%

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