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Other Specialized Reagents

γ-aminopropyltriethoxysilane

Category:

Other Specialized Reagents

CAS NO:

919-30-2

Standard:

BP,USP,

Price Range:

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Main Sales Markets:

North America,Western Europe,Eastern Europe

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Shanghai Sunwise Chemical Co., Ltd.

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Basic Info

CAS Number

919-30-2

Pharmacopoeia

BP,USP

Grade

Pharmaceutical Grade

Is Manufacturer

YES

Product Description

Pharmaceutical Raw Materials and Intermediates

AI Product Description

*The following content is generated by AI and is for reference only.

Gamma-aminopropyltriethoxysilane, commonly known as γ-Aminopropyltriethoxysilane or APTES, is a versatile organosilane coupling agent widely utilized in industrial and laboratory settings. Its chemical structure features an amino group attached to a propyl chain, which is bonded to three ethoxy groups, allowing it to react with both organic polymers and inorganic surfaces. The molecular formula of this compound is C9H23NO3Si, and it is uniquely identified by the CAS number 919-30-2. The primary function of γ-aminopropyltriethoxysilane lies in its ability to act as a bridge between dissimilar materials. Upon hydrolysis, the ethoxy groups convert into silanol groups that readily condense with hydroxyl groups on inorganic substrates such as glass, silica, metals, and minerals. Simultaneously, the terminal amino group remains available to covalently bond with organic resins, epoxies, polyurethanes, and acrylics. This dual reactivity makes it indispensable for enhancing adhesion, improving mechanical strength, and increasing durability in composite materials. In the realm of nanotechnology, APTES is extensively employed to functionalize silica nanoparticles, enabling their dispersion in organic solvents and facilitating further chemical modification. It serves as a critical precursor for creating self-assembled monolayers (SAMs) used in biosensors, drug delivery systems, and surface engineering applications. Furthermore, it is frequently added to adhesives, sealants, and coatings to improve wetting properties and resistance to environmental degradation. In the production of reinforced plastics and rubber composites, it ensures better interfacial bonding between fillers like glass fibers or carbon black and the polymer matrix. Due to its high reactivity and compatibility with various systems, γ-aminopropyltriethoxysilane remains a fundamental building block in advanced material science, driving innovation across electronics, automotive, construction, and biomedical industries where surface modification and strong interfacial adhesion are paramount for performance.