3-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane (CAS 3069-29-2)

CY-602|N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane (CAS 1760-24-3)
High-Reactivity Diamino Silane for Rapid Interfacial Bonding & Resin Coupling

CY-602 (N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane, CAS 3069-29-2) is a diamino-functional silane coupling agent developed for applications where are required.
It is commonly used in epoxy, polyurethane, phenolic, and modified resin systems where enhanced adhesion and fast interfacial reactions contribute directly to final mechanical performance.

Compared with primary amino silanes, CY-602 provides , enabling more active interaction with resin matrices and inorganic substrates in demanding formulations.

(Listed for performance and application equivalence in overseas markets.)

Typical values are provided for reference only and are not intended as specification limits.

In high-performance resin systems, a single primary amine may not provide sufficient interaction sites to achieve rapid bonding or high interfacial strength.
CY-602 is designed to address this limitation by incorporating , which significantly increase chemical reactivity toward epoxy and other functional resins.

This structure enables faster interfacial reactions, making CY-602 particularly suitable for applications where .

The trimethoxy silane groups in CY-602 hydrolyze rapidly to form silanol species that bond chemically with hydroxyl-rich inorganic surfaces such as glass, silica, and mineral fillers.
At the same time, the diamino structure provides multiple reactive sites that interact with resin matrices or curing agents, forming a dense interfacial network.

This combination results in enhanced adhesion strength, improved load transfer, and reduced risk of interfacial failure under mechanical stress.

Application-Specific Value

Delivers rapid adhesion development and high bond strength in epoxy and hybrid adhesive systems.

Improves fiber–matrix interaction and mechanical reinforcement efficiency.

Enhances filler interaction and improves durability in demanding environments.

Provides high surface activity for silica and mineral modification where strong coupling is required.

● Packing: 25 kg / 200 kg steel drum

● Shelf life: 12 months when stored sealed, dry, and cool.

Zibo Chiye Chemical Technology Co., Ltd.
TDS, SDS, and technical support are available upon request.

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