Description

3-(n-Allylamino)Propyltrimethoxysilane is a bifunctional organosilane coupling agent featuring both an allylamino group and hydrolyzable trimethoxysilane functionality. This dual reactivity makes it a critical component for modifying surfaces and enhancing the compatibility between inorganic materials and organic polymers. It is essential for manufacturers in the composites, adhesives, and coatings industries seeking to improve mechanical properties, adhesion, and durability. The compound is supplied as a high-purity material suitable for demanding industrial applications.

Application

• As a coupling agent in fiberglass-reinforced plastics and mineral-filled composites to improve mechanical strength and moisture resistance.
• As a surface modifier for silica, glass, and other inorganic fillers to enhance dispersion and bonding in polymer matrices like epoxy, polyurethane, and nylon.
• In the formulation of adhesives and sealants to promote adhesion to difficult substrates such as metals, glass, and ceramics.
• As a crosslinking agent or reactive intermediate in the synthesis of specialty silicone polymers and hybrid organic-inorganic materials.
• For the priming of surfaces prior to coating or bonding applications to ensure long-term durability.
• In the production of water repellents and corrosion-resistant coatings for construction materials.

Basic Information

Product Name	3-(n-Allylamino)Propyltrimethoxysilane
CAS No.	31024-46-1
Molecular Formula	C9H21NO3Si
Molecular Weight	219.36 g/mol
Synonyms	3-(Allylamino)propyltrimethoxysilane; N-Allyl-3-aminopropyltrimethoxysilane; Allylaminopropyltrimethoxysilane; Silane A 0700; DYNASYLAN® 1189; 3-(Allylamino)propyltrimethoxysilane; (3-(Allylamino)propyl)trimethoxysilane; Trimethoxy[3-[(2-propen-1-yl)amino]propyl]silane
EINECS	250-426-8

Quality Control

Our 3-(n-Allylamino)Propyltrimethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment ensures the material meets the stringent requirements for advanced material synthesis and industrial applications.

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). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and degradation upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.428 - 1.432
Density (g/mL, 25°C)	0.980 - 1.010

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