Description

3-(2,5-Dihydro-3,4-Dimethyl-2,5-Dioxo-1H-Pyrrol-1-Yl)-n-[3-(Methyldipropoxysilyl)Propyl]Phthalimide is a specialized organosilane coupling agent that integrates a phthalimide and maleimide functional group, designed to create robust covalent bonds between inorganic substrates and organic polymer matrices. This compound is critical for enhancing the mechanical strength, thermal stability, and adhesion properties of composite materials. It is primarily utilized by manufacturers in the advanced polymer, high-performance coatings, and specialty adhesives industries seeking to improve product durability and performance.

Application

• As a key coupling agent in fiber-reinforced polymer composites (e.g., glass fiber, carbon fiber) to improve interfacial adhesion.
• Surface modification of inorganic fillers (silica, clay) for better dispersion and compatibility in engineering plastics and elastomers.
• Formulation of high-performance, weather-resistant adhesives and sealants with enhanced bonding to glass, metal, and mineral surfaces.
• Development of advanced coating systems for automotive, aerospace, and marine applications requiring superior corrosion protection and durability.
• Cross-linking agent in silicone-modified polymers and hybrid organic-inorganic materials.
• Potential use in the synthesis of specialized pharmaceutical intermediates or agrochemicals due to its reactive maleimide moiety.

Basic Information

Product Name	3-(2,5-Dihydro-3,4-Dimethyl-2,5-Dioxo-1H-Pyrrol-1-Yl)-n-[3-(Methyldipropoxysilyl)Propyl]Phthalimide
CAS No.	70767-01-0
Molecular Formula	C25H34N2O6Si
Molecular Weight	486.64 g/mol
Synonyms	N-[3-(Methyldipropoxysilyl)propyl]-3-(2,5-dihydro-3,4-dimethyl-2,5-dioxo-1H-pyrrol-1-yl)phthalimide; 1-[3-(Methyldipropoxysilyl)propyl]-3-(3,4-dimethylmaleimido)phthalimide; 3-(3,4-Dimethyl-2,5-dioxo-1-pyrrolyl)-N-[3-(methyldipropoxysilyl)propyl]phthalimide; Maleimide-functional silane coupling agent; Phthalimide silane; CAS 70767-01-0
EINECS	Contact for details

Quality Control

Every batch of our 3-(2,5-Dihydro-3,4-Dimethyl-2,5-Dioxo-1H-Pyrrol-1-Yl)-n-[3-(Methyldipropoxysilyl)Propyl]Phthalimide undergoes rigorous analytical testing to ensure high purity and consistent performance. Our quality management system is designed to meet the stringent requirements of industrial and R&D applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Silicon Content	Contact for details
Residue on Ignition	≤ 0.5%

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