Description

Trimethyl[(1-Methylundecyl)Oxy]Silane is a specialized organosilicon compound featuring a long alkyl chain. This unique structure provides excellent hydrophobic and surface-modifying properties, making it a valuable intermediate for advanced material synthesis. It is primarily utilized in the chemical industry for the development of specialty coatings, release agents, and as a coupling agent in composite materials.

Application

• As a key hydrophobic agent and surface modifier in advanced coating formulations.
• As a coupling agent to improve the interface between organic polymers and inorganic fillers in composite materials.
• As a chemical intermediate in the synthesis of specialty silicone oils and functional fluids.
• In the formulation of mold release agents for plastics and rubber manufacturing.
• For imparting water repellency and surface protection to textiles, paper, and construction materials.
• As a precursor for silanization of surfaces in analytical and diagnostic applications.

Basic Information

Item	Information
Product Name	Trimethyl[(1-Methylundecyl)Oxy]Silane
CAS No.	39789-27-0
Molecular Formula	C₁₅H₃₄OSi
Molecular Weight	258.52 g/mol
Synonyms	Trimethyl(1-methylundecyloxy)silane; (1-Methylundecyloxy)trimethylsilane; Dodecyloxytrimethylsilane (isomeric mixture); Trimethyldodecyloxysilane; Silane, trimethyl[(1-methylundecyl)oxy]-; UDEO-TMS; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Trimethyl[(1-Methylundecyl)Oxy]Silane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with every shipment to guarantee 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). Keep away from strong acids, bases, and oxidizing agents. The container should be kept tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Density (at 20°C)	0.82 - 0.86 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.