Description

4-[[3-(Trimethoxysilyl)Propoxy]Methyl]-1,3-Dioxolan-2-One is a specialized organosilicon compound featuring a cyclic carbonate group linked to a trialkoxysilane moiety via a propoxy spacer. This unique bifunctional structure makes it a highly effective coupling agent and reactive intermediate for modifying material surfaces and polymer matrices. It is primarily utilized in advanced material science for enhancing adhesion, compatibility, and performance in composite systems. Industries such as specialty polymers, coatings, adhesives, and electronics rely on this compound for its ability to bridge organic and inorganic phases.

Application

• Silane Coupling Agent: Used to improve the adhesion between inorganic fillers (e.g., glass, minerals) and organic polymer matrices in composites, enhancing mechanical strength and durability.
• Surface Modification: Applied to treat glass, metal, or mineral surfaces to increase hydrophobicity, improve corrosion resistance, and promote better coating adhesion.
• Polymer Synthesis & Modification: Serves as a reactive monomer or cross-linking agent in the synthesis of polycarbonates, polyurethanes, and other specialty polymers, introducing silane functionality.
• Adhesive & Sealant Formulations: Incorporated into epoxy, polyurethane, or silicone-based formulations to enhance moisture resistance, thermal stability, and bonding to diverse substrates.
• Electronics Encapsulation: Used in potting compounds and encapsulants for electronic components to provide protection against moisture and environmental stress.
• Fiber Treatment: Treats glass or carbon fibers to optimize the fiber-matrix interface in reinforced plastics, leading to superior composite performance.
• Hybrid Material Fabrication: A key precursor in sol-gel processes for creating organic-inorganic hybrid coatings and materials with tailored properties.

Basic Information

Product Name	4-[[3-(Trimethoxysilyl)Propoxy]Methyl]-1,3-Dioxolan-2-One
CAS No.	42345-73-3
Molecular Formula	C11H22O7Si
Molecular Weight	294.38 g/mol
Synonyms	3-(Oxiran-2-ylmethoxy)propyltrimethoxysilane cyclic carbonate; (3-Glycidyloxypropyl)trimethoxysilane cyclic carbonate; 2-Oxo-1,3-dioxolan-4-ylmethyl 3-(trimethoxysilyl)propyl ether; GLYMO cyclic carbonate; (3-(2-Oxo-1,3-dioxolan-4-ylmethoxy)propyl)trimethoxysilane; Silane A-187 derivative cyclic carbonate; Carbonate-functional silane coupling agent
EINECS	Contact for details

Quality Control

Our production of 4-[[3-(Trimethoxysilyl)Propoxy]Methyl]-1,3-Dioxolan-2-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements. We are committed to supporting your quality assurance needs for industrial and R&D 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and maintain product integrity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	1.15 - 1.20 g/cm³

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