Description

1-[3-(Triethoxysilyl)Propyl]-1H-Pyrrole-2,5-Dione is a highly versatile organosilane coupling agent featuring both a triethoxysilyl group and a maleimide (pyrrole-2,5-dione) functional group. This dual functionality makes it a critical component for creating strong, covalent bonds between inorganic substrates and organic polymers, particularly in advanced composite materials. It is essential for manufacturers in the adhesives, coatings, plastics, and electronics industries seeking to enhance material performance, durability, and interfacial adhesion.

Application

• Silane Coupling Agent for Composites: Improves the bonding between glass, mineral, or metal fillers and polymer matrices (epoxy, polyimide, rubber), significantly enhancing mechanical strength and moisture resistance.
• Surface Modification of Nanoparticles: Used to functionalize silica, alumina, or other metal oxide nanoparticles for better dispersion and compatibility in polymer nanocomposites and coatings.
• Adhesive and Sealant Formulations: Acts as an adhesion promoter, especially for demanding applications where high bond strength and environmental durability are required.
• Fiberglass and Reinforced Plastics: Applied as a sizing or finish on glass fibers to improve the fiber-resin interface in FRP (Fiber Reinforced Plastic) products.
• Electronic Encapsulants and Underfills: Enhances the adhesion and reliability of protective resins to silicon chips, lead frames, and circuit boards.
• Specialty Coatings: Incorporated into primers and topcoats to improve corrosion protection and paint adhesion on metals and other difficult substrates.
• Bioconjugation and Biomedical Materials: The maleimide group allows for thiol-click chemistry, enabling its use in modifying surfaces for biosensor applications or drug delivery systems.

Basic Information

Product Name	1-[3-(Triethoxysilyl)Propyl]-1H-Pyrrole-2,5-Dione
CAS No.	29602-11-7
Molecular Formula	C15H25NO6Si
Molecular Weight	343.45 g/mol
Synonyms	3-(Triethoxysilyl)propylmaleimide; N-(3-Triethoxysilylpropyl)maleimide; Maleimidopropyltriethoxysilane; Silane A-179; MPTES (Maleimido Propyl Triethoxy Silane); 1H-Pyrrole-2,5-dione, 1-[3-(triethoxysilyl)propyl]-; 3-Maleimidopropyltriethoxysilane
EINECS	Contact for details

Quality Control

Our production of 1-[3-(Triethoxysilyl)Propyl]-1H-Pyrrole-2,5-Dione adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency meet exacting specifications. Certificates of Analysis (COA) detailing all test results are provided with each shipment to guarantee traceability and compliance with your technical requirements.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Refractive Index (n20/D)	1.450 - 1.460
Density (g/mL, 25°C)	1.05 - 1.10

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