Description

Propanoicacid,3-(Triethoxysilyl)-,Ethylester is a versatile organosilane coupling agent, also known as 3-(Triethoxysilyl)propyl ethyl succinate. This compound is valued for its dual functionality, featuring both hydrolyzable ethoxysilyl groups and an ester moiety, enabling it to act as an effective adhesion promoter and surface modifier. It is primarily used in industries requiring enhanced bonding between inorganic substrates and organic polymers, such as coatings, adhesives, and composite materials. Its unique structure facilitates improved dispersion, durability, and performance in demanding technical applications.

Application

• Adhesion Promoter: Enhances the bond strength between glass, metals, or mineral fillers and organic polymer matrices in sealants, adhesives, and coatings.
• Surface Modification: Used to treat silica, glass fibers, and other inorganic surfaces to improve compatibility and dispersion in plastic and rubber composites.
• Crosslinking Agent: Functions as a co-monomer or crosslinker in silicone-based polymers and resins to modify mechanical properties and thermal stability.
• Filler Treatment: Imparts hydrophobic characteristics and improves the interfacial adhesion of fillers in engineering plastics and elastomers.
• Primer Formulation: A key ingredient in primers for automotive, aerospace, and architectural coatings to ensure long-lasting adhesion to various substrates.
• Composite Materials: Integral in the manufacture of fiber-reinforced plastics (FRP) and mineral-filled composites for improved mechanical strength and moisture resistance.

Basic Information

Item	Detail
Product Name	Propanoicacid,3-(Triethoxysilyl)-,Ethylester
CAS No.	6439-39-0
Molecular Formula	C14H30O6Si
Molecular Weight	322.48 g/mol
Synonyms	3-(Triethoxysilyl)propyl ethyl succinate; Ethyl 3-(triethoxysilyl)propanoate; Triethoxy(3-ethoxycarbonylethyl)silane; 3-(Triethoxysilyl)propionic acid ethyl ester; Silane coupling agent KH-570 (common trade name); γ-Glycidoxypropyltriethoxysilane analog (functional analog); (3-Triethoxysilylpropyl) ethyl succinate; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of Propanoicacid,3-(Triethoxysilyl)-,Ethylester adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure consistency and high purity. Certificates of Analysis (COA) detailing specific parameters such as assay, identity, and impurity profiles are available upon request. We are committed to meeting the quality standards required for industrial and specialty chemical applications.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent contact with atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.420 - 1.430
Density (20°C)	1.00 - 1.05 g/cm³

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