Description

[3-(1,3-Dioxolan-4-Ylmethoxy)Propyl]Trimethoxysilane is a specialized organosilicon compound featuring a unique dioxolane-protected aldehyde functionality. This bifunctional structure makes it a highly effective coupling agent and surface modifier, bridging inorganic materials with organic polymers. It is essential for manufacturers in the adhesives, sealants, coatings, and composite materials industries seeking to enhance product performance, durability, and adhesion.

Application

• Adhesive & Sealant Formulation: Acts as a crosslinking agent and adhesion promoter, significantly improving bond strength to glass, metals, and mineral surfaces.
• Surface Modification of Fillers: Used to treat silica, glass fibers, and other inorganic fillers to improve their compatibility and dispersion within polymer matrices like epoxy, polyurethane, and silicone.
• Protective Coatings: Enhances the corrosion resistance, scratch resistance, and weatherability of coatings by promoting strong interfacial adhesion to the substrate.
• Fiber-Reinforced Composites: Serves as a key sizing agent for glass and carbon fibers, optimizing the fiber-matrix interface to increase the mechanical strength of the final composite part.
• Rubber Compounding: Improves the reinforcement of silica-filled rubber compounds, leading to better abrasion resistance and lower rolling resistance in tire applications.
• Specialty Polymer Synthesis: Functions as a reactive monomer or chain extender in the synthesis of novel silane-modified polymers with tailored properties.

Basic Information

Product Name	[3-(1,3-Dioxolan-4-Ylmethoxy)Propyl]Trimethoxysilane
CAS No.	50650-15-2
Molecular Formula	C10H22O6Si
Molecular Weight	266.37 g/mol
Synonyms	3-(1,3-Dioxolan-4-ylmethoxy)propyltrimethoxysilane; (3-(1,3-Dioxolan-4-ylmethoxy)propyl)trimethoxysilane; 1,3-Dioxolane-4-methanol, 4-[(3-(trimethoxysilyl)propoxy)methyl]-; Trimethoxy[3-[(1,3-dioxolan-4-yl)methoxy]propyl]silane; Silane, trimethoxy[3-[(1,3-dioxolan-4-yl)methoxy]propyl]-; Glycidyloxypropyltrimethoxysilane acetal; GPTMS acetal derivative
EINECS	Contact for details

Quality Control

Our production of [3-(1,3-Dioxolan-4-Ylmethoxy)Propyl]Trimethoxysilane adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC, NMR, and titration, to ensure high purity, consistent performance, and reliable supply. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are provided with each shipment and are available upon request.

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) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.430
Density (20°C)	1.05 - 1.10 g/cm³

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