Description

3-(n-Phthalimido)Propyltrichlorosilane is a specialized organosilane coupling agent featuring a reactive trichlorosilyl group and a phthalimide-protected amine functionality. This unique bifunctional structure makes it a critical intermediate for introducing amine-reactive sites onto inorganic surfaces like glass, silica, and metals, enabling strong covalent bonding in composite materials. It is essential for manufacturers and R&D teams in the advanced materials, microelectronics, and specialty chemical synthesis sectors seeking to enhance adhesion, modify surface properties, or create custom functionalized platforms.

Application

• Surface Modification Agent: Primarily used as a coupling agent to functionalize glass, silicon wafers, silica nanoparticles, and metal oxides, imparting amine-reactive sites for further chemical grafting.
• Adhesion Promoter in Composites: Enhances the interfacial adhesion between inorganic fillers (e.g., glass fibers, minerals) and organic polymer matrices (epoxies, polyimides) in high-performance composites.
• Protective Group Chemistry: Serves as a key synthetic intermediate where the phthalimido group acts as a protected amine, which can be deprotected (e.g., via hydrazinolysis) to generate free primary amines on surfaces or in molecules.
• Biochip and Biosensor Fabrication: Used to create amine-functionalized surfaces on sensor chips and diagnostic platforms for the covalent immobilization of biomolecules like DNA, proteins, or antibodies.
• Chromatography Media: Functionalizes silica gel for the preparation of specialized stationary phases used in affinity chromatography or for custom ligand attachment.
• Corrosion-Resistant Coatings: Incorporated into silane-based pretreatment systems for metals like aluminum and steel to improve coating adhesion and corrosion resistance.
• Nanomaterial Synthesis: A precursor for modifying the surface of quantum dots, carbon nanotubes, and other nanomaterials to improve dispersion and compatibility in various media.

Basic Information

Product Name	3-(n-Phthalimido)Propyltrichlorosilane
CAS No.	62641-06-9
Molecular Formula	C14H14Cl3NO2Si
Molecular Weight	370.71 g/mol
Synonyms	N-[3-(Trichlorosilyl)propyl]phthalimide; 3-(Phthalimidopropyl)trichlorosilane; (3-Phthalimidopropyl)trichlorosilane; 1H-Isoindole-1,3(2H)-dione, 2-[3-(trichlorosilyl)propyl]-; 3-Phthalimidopropyltrichlorosilane; γ-Phthalimidopropyltrichlorosilane; N-(3-Trichlorosilylpropyl)phthalimide; PTCS
EINECS	263-593-9

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Quality is verified through analytical techniques including HPLC, GC, NMR, and FTIR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request. We adhere to strict quality management protocols to meet the demands of research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C for long-term stability. Keep away from incompatible materials such as strong bases, acids, and fluorides.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chlorine Content	28.5 - 29.5%
Melting Point	Contact for details

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