Description

Di-n-Octylmethylsilane is a high-purity organosilicon compound characterized by its long-chain alkyl groups. This silane is valued for its role as a versatile intermediate and functional additive, offering unique hydrophobic and surface-modifying properties. It is primarily utilized in the development of advanced silicone polymers, specialty coatings, and as a key reagent in organic synthesis for industries including materials science and electronics.

Application

• Silicone Polymer Synthesis: Acts as a monomer or chain extender for creating custom silicone oils, rubbers, and resins with specific hydrophobic characteristics.
• Surface Modification Agent: Used to impart water-repellent (hydrophobic) properties to inorganic surfaces like silica, glass, and metals.
• Lubricant & Release Agent Formulation: Serves as a precursor or additive in high-performance lubricants and mold release agents for industrial processes.
• Adhesion Promotion: Functions as a coupling agent in composite materials to improve the interface between organic polymers and inorganic fillers.
• Organic Synthesis Intermediate: Employed in hydrosilylation reactions and as a building block for more complex organosilicon molecules in pharmaceutical and agrochemical research.
• Electronics & Semiconductor Processing: Used in the deposition of silicon-containing thin films and as a precursor in chemical vapor deposition (CVD) processes.

Basic Information

Product Name	Di-n-Octylmethylsilane
CAS No.	51502-63-7
Molecular Formula	C₁₇H₃₈Si
Molecular Weight	270.57 g/mol
Synonyms	Di-n-Octylmethylsilane; Methyl-di-n-octylsilane; Di-n-octyl(methyl)silane; Dioctylmethylsilane; Methyl(dioctyl)silane; Silane, dioctylmethyl-; Dioctyl(methyl)silane; (Di-n-octyl)methylsilane
EINECS	Contact for details

Quality Control

Our Di-n-Octylmethylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request 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). The product is moisture-sensitive; keep containers tightly sealed under an inert atmosphere such as nitrogen to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.440 - 1.450

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