Description

3-[Diethoxy(Methyl)Silyl]Propionic Acid Ethyl Ester is a versatile organosilicon compound that serves as a key coupling agent and surface modifier in advanced materials science. Its bifunctional structure, featuring both hydrolyzable ethoxysilyl groups and an ester-terminated organic chain, enables it to form durable bonds between inorganic substrates and organic polymers. This product is essential for manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance material compatibility, adhesion, and performance.

Application

• Surface Modification Agent: Used to functionalize the surface of glass, silica, and metal oxides to improve adhesion and dispersion in polymer composites.
• Crosslinking Agent: Employed in the formulation of moisture-curable silicone resins, sealants, and adhesives to enhance mechanical properties and durability.
• Coupling Agent for Fillers: Critical for treating mineral fillers (e.g., calcium carbonate, talc) in plastic and rubber compounds to reduce viscosity and improve mechanical strength.
• Primer for Coatings: Acts as an adhesion promoter in protective coatings, paints, and inks for metals, plastics, and glass, ensuring long-term bond stability.
• Intermediate for Silicone Synthesis: Serves as a building block in the production of custom silicone polymers and hybrid organic-inorganic materials.
• Fiber Treatment: Used to coat glass or carbon fibers to improve their compatibility and interfacial bonding with epoxy and polyester matrices.

Basic Information

Product Name	3-[Diethoxy(Methyl)Silyl]Propionic Acid Ethyl Ester
CAS No.	17963-09-6
Molecular Formula	C10H22O4Si
Molecular Weight	234.37 g/mol
Synonyms	Ethyl 3-(Diethoxymethylsilyl)propionate; Ethyl 3-(Methyldiethoxysilyl)propanoate; (3-Ethoxycarbonylethyl)methyldiethoxysilane; Methyldiethoxysilylpropionic Acid Ethyl Ester; Diethoxy(methyl)(3-ethoxy-3-oxopropyl)silane; Silane, diethoxy(methyl)(3-ethoxy-3-oxopropyl)-; Propanoic acid, 3-(diethoxymethylsilyl)-, ethyl ester
EINECS	Contact for details

Quality Control

Our production of 3-[Diethoxy(Methyl)Silyl]Propionic Acid Ethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and Infrared Spectroscopy (IR) to verify identity and assay. A comprehensive Certificate of Analysis (COA), detailing purity and key physical-chemical parameters, is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.415 - 1.425
Density (20°C)	0.95 - 1.00 g/mL

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