Description

Di-n-Hexyldiethoxysilan is a specialized organosilicon compound, specifically a dialkoxysilane, known for its role as a versatile coupling agent and surface modifier. Its primary value lies in its ability to form stable bonds between inorganic substrates and organic polymers, enhancing material compatibility and performance. This chemical is essential for manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries seeking to improve product durability and adhesion.

Application

• Adhesive & Sealant Formulation: Acts as an adhesion promoter and crosslinking agent to enhance bond strength and moisture resistance.
• Surface Treatment for Fillers: Used to modify the surface of inorganic fillers (e.g., silica, minerals) to improve dispersion and compatibility in polymer matrices.
• Composite Materials: Serves as a coupling agent in fiberglass-reinforced plastics and mineral-filled composites to increase mechanical strength.
• Protective Coatings: Imparts hydrophobic properties and improves the adhesion of coatings to metallic or mineral surfaces.
• Rubber & Elastomer Processing: Enhances the reinforcement of elastomers by improving filler-polymer interaction.
• Intermediate for Silicone Chemistry: Used as a key precursor in the synthesis of more complex silicone-based materials and functional silanes.

Basic Information

Product Name	Di-n-Hexyldiethoxysilan
CAS No.	18407-13-1
Molecular Formula	C16H36O2Si
Molecular Weight	288.55 g/mol
Synonyms	Di-n-Hexyldiethoxysilane; Dihexyl(diethoxy)silane; Diethoxy(dihexyl)silane; Di-n-Hexyl Diethoxysilane; Dihexyl Diethoxysilane; Diethoxy-dihexylsilane; Di-n-Hexyl-diethoxysilan; Dihexylsilanediol Diethyl Ether
EINECS	242-275-7

Quality Control

Our Di-n-Hexyldiethoxysilan is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for all shipments to support your quality assurance protocols.

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 an inert atmosphere (e.g., nitrogen) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.85 - 0.87 g/mL
Refractive Index (n20D)	1.425 - 1.435

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