Description

n-Octyldimethyl (Dimethylamino) Silane is a reactive organosilicon compound primarily used as a versatile coupling agent and surface modifier in advanced material synthesis. Its bifunctional structure, featuring a hydrolyzable dimethylamino group and a long-chain octyl group, enables it to bridge organic and inorganic phases, enhancing compatibility and performance. This chemical is essential for manufacturers in the silicone polymer, coatings, and adhesives industries seeking to improve material properties such as hydrophobicity, adhesion, and dispersion stability.

Application

• Silicone Intermediate: A key precursor in the synthesis of specialty silicone fluids, resins, and elastomers, where it imparts specific chain length and reactivity.
• Surface Modification Agent: Used to treat inorganic fillers (e.g., silica, glass fibers) and nanoparticles to improve their dispersion and compatibility within polymer matrices.
• Adhesion Promoter: Enhances the bond strength between organic coatings, sealants, or adhesives and inorganic substrates like metals, glass, and minerals.
• Hydrophobic Coating Formulation: Employed to create water-repellent surfaces on textiles, construction materials, and electronic components.
• Release Coatings: Serves as a component in formulations for non-stick and easy-release papers and films.
• Pharmaceutical & Cosmetic Excipients: Used in the modification of carriers and pigments to control drug release or improve texture and stability in formulations.

Basic Information

Product Name	n-Octyldimethyl (Dimethylamino) Silane
CAS No.	110348-62-4
Molecular Formula	C₁₂H₂₉NSi
Molecular Weight	215.45 g/mol
Synonyms	Dimethyl(octyl)(dimethylamino)silane; (Dimethylamino)dimethyloctylsilane; Octyldimethyl(dimethylamino)silane; n-Octyldimethylaminodimethylsilane; Silane, dimethyl(octyl)(dimethylamino)-; N,N-Dimethyl-1-octanamine, 1-(dimethylsilyl)-; (Dimethylamino)(dimethyl)octylsilane
EINECS	Contact for details

Quality Control

Our n-Octyldimethyl (Dimethylamino) Silane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles 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). This product is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.79 - 0.81 g/mL
Refractive Index (n20D)	1.428 - 1.432

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