Description

[(2-Ethyldecyl)Oxy]Trimethylsilane is a specialized organosilicon compound, valued for its ability to impart hydrophobic and surface-modifying properties to a wide range of materials. Its unique branched alkyl chain structure makes it an effective coupling agent and hydrophobizing additive, enhancing performance in demanding formulations. This product is essential for manufacturers in the coatings, sealants, plastics, and specialty chemical industries seeking to improve water repellency and compatibility.

Application

• As a hydrophobizing agent and water repellent in construction materials like concrete and masonry sealers.
• As a surface modifier and coupling agent in mineral-filled polymer composites (e.g., filled polyolefins).
• As a key intermediate for the synthesis of more complex silane-based specialty chemicals.
• As an additive in coatings and inks to improve substrate wetting and adhesion.
• For the surface treatment of pigments and fillers to enhance dispersion and reduce moisture sensitivity.
• In the formulation of release agents and mold lubricants for industrial processes.

Basic Information

Product Name	[(2-Ethyldecyl)Oxy]Trimethylsilane
CAS No.	74421-16-2
Molecular Formula	C₁₃H₃₀OSi
Molecular Weight	230.47 g/mol
Synonyms	Trimethyl[(2-ethyldecyl)oxy]silane; (2-Ethyldecyloxy)trimethylsilane; Silane, [(2-ethyldecyl)oxy]trimethyl-; 2-Ethyldecyloxytrimethylsilane; Trimethyl(2-ethyldecyloxy)silane; O-(2-Ethyldecyl)-O'-trimethylsilane; Hydrophobic Silane Coupling Agent
EINECS	Contact for details

Quality Control

Our [(2-Ethyldecyl)Oxy]Trimethylsilane is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and FTIR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	~0.82 - 0.84 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.