Description

3-(Triethoxysilyl)Propylsuccinic Anhydride is a highly versatile organosilane coupling agent that combines the reactivity of a succinic anhydride with the hydrolyzable ethoxysilyl group. This unique bifunctional structure makes it a critical intermediate for modifying surfaces and polymers, enhancing adhesion, compatibility, and performance in composite materials. It is essential for manufacturers in the advanced materials, coatings, and adhesives industries seeking to improve the interface between organic polymers and inorganic substrates.

Application

• Coupling Agent for Composites: Enhances the bond between inorganic fillers (glass, minerals, metals) and organic polymer matrices (epoxy, polyamide, rubber), improving mechanical strength and durability.
• Surface Modification of Nanoparticles: Used to functionalize silica, alumina, and other nanoparticles to improve their dispersion and compatibility in various polymer systems.
• Adhesive and Sealant Formulations: Acts as an adhesion promoter, particularly for silicone-based and other high-performance sealants on difficult-to-bond substrates like glass and metals.
• Fiberglass and Reinforced Plastics: Applied as a sizing or finish on glass fibers to improve resin wettability and interfacial adhesion in fiber-reinforced plastics (FRP).
• Coatings and Inks: Improves the adhesion, scratch resistance, and chemical stability of coatings and printing inks on non-porous surfaces.
• Rubber Compounding: Enhances filler-rubber interaction, leading to improved tensile strength, abrasion resistance, and reduced heat buildup in tire and technical rubber goods.

Basic Information

Product Name	3-(Triethoxysilyl)Propylsuccinic Anhydride
CAS No.	93642-68-3
Molecular Formula	C16H30O7Si
Molecular Weight	362.50 g/mol
Synonyms	Succinic anhydride, 3-(triethoxysilyl)propyl-; 3-(Triethoxysilyl)propylsuccinic anhydride; (3-Triethoxysilylpropyl)succinic anhydride; Silane A-0700 (trade name analog); SCA-Si-ANH (common abbreviation); γ-(Triethoxysilyl)propylsuccinic anhydride; 3-(Triethoxysilyl)-1-propylsuccinic anhydride; 2,5-Furandione, 3-(3-(triethoxysilyl)propyl)-
EINECS	Contact for details

Quality Control

Our production of 3-(Triethoxysilyl)Propylsuccinic Anhydride adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like GC, HPLC, and NMR. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20/D)	1.440 - 1.450
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.