Description

4-(Trimethoxysilyl)Butane-1,2-Epoxide is a versatile organosilicon compound featuring both epoxide and alkoxysilane functional groups within a single molecule. This dual functionality makes it a highly effective coupling agent and adhesion promoter, enabling strong bonds between inorganic materials and organic polymers. It is essential for manufacturers in the coatings, adhesives, sealants, and advanced composites industries seeking to enhance product durability, chemical resistance, and mechanical performance.

Application

• Adhesion Promoter in Coatings: Improves the adhesion of paints, primers, and industrial coatings to difficult substrates like metals, glass, and plastics.
• Coupling Agent for Composites: Enhances the interfacial bonding between inorganic fillers (e.g., silica, glass fibers) and organic polymer matrices in fiber-reinforced plastics (FRP) and composite materials.
• Surface Modification Agent: Used to functionalize the surface of nanoparticles, minerals, and pigments to improve their dispersion and compatibility in various formulations.
• Sealant and Adhesive Formulations: Acts as a crosslinking agent and moisture scavenger in silicone-modified polymers (MS Polymers), polyurethanes, and epoxy-based adhesives and sealants.
• Fiber Sizing: Applied as a key component in sizing formulations for glass and carbon fibers to protect filaments and improve resin bonding during composite manufacturing.
• Electronic Encapsulants: Utilized in potting compounds and encapsulants for electronic components to provide moisture resistance and enhanced mechanical protection.

Basic Information

Product Name	4-(Trimethoxysilyl)Butane-1,2-Epoxide
CAS No.	7335-84-4
Molecular Formula	C10H22O5Si
Molecular Weight	250.37 g/mol
Synonyms	3-Glycidoxypropyltrimethoxysilane; Glymo; (3-Glycidyloxypropyl)trimethoxysilane; GLYMO; γ-Glycidoxypropyltrimethoxysilane; A-187; KBM-403; Z-6040; 3-(2,3-Epoxypropoxy)propyltrimethoxysilane
EINECS	230-869-3

Quality Control

Our production of 4-(Trimethoxysilyl)Butane-1,2-Epoxide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity, and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 moisture absorption and premature hydrolysis.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.427 - 1.429
Density (20°C)	1.065 - 1.075 g/mL
Color (APHA)	≤ 50

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