Description

Trimethyl(Nonyloxy)Silane is a specialized organosilicon compound, a silane ether, known for its unique hydrophobic and surface-modifying properties. This chemical is valued for its ability to impart water repellency and improve compatibility between organic and inorganic materials in advanced formulations. It serves as a critical intermediate and functional additive for manufacturers in the coatings, sealants, and specialty chemical industries seeking to enhance product performance and durability.

Application

• Hydrophobic Agent: A key component in formulating water-repellent coatings for construction materials, textiles, and paper.
• Surface Modification: Used to treat silica, glass fibers, and other mineral fillers to improve dispersion and adhesion in polymer composites.
• Intermediate for Silicone Synthesis: Serves as a building block in the production of more complex silicone oils, resins, and elastomers.
• Adhesion Promoter: Enhances the bonding of sealants, adhesives, and paints to difficult substrates.
• Lubricant & Release Agent: Functions as an internal lubricant in plastics processing and as a mold release agent.
• Cosmetic & Personal Care: Employed in hair care and skincare products as a conditioning agent and to provide a silky feel.

Basic Information

Product Name	Trimethyl(Nonyloxy)Silane
CAS No.	18388-84-6
Molecular Formula	C₁₂H₂₈OSi
Molecular Weight	216.44 g/mol
Synonyms	NonyloxytriMethylsilane; TriMethyl(1-Nonyloxy)Silane; Silane, TriMethylnonyloxy-; (Nonyloxy)TriMethylsilane; NSC 163275; Nonyloxy-TriMethyl-Silane; TriMethylsilyl Nonyl Ether; 1-(TriMethylsilyloxy)Nonane
EINECS	242-254-5

Quality Control

Our Trimethyl(Nonyloxy)Silane is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The product is moisture-sensitive; keep containers tightly sealed when not in use.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.82 - 0.85 g/mL
Refractive Index (n20/D)	1.420 - 1.430

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