Description

n-Decyldimethylchlorosilane is a high-purity organosilicon reagent featuring a reactive chlorosilane group and a long-chain decyl moiety. This compound is a critical intermediate for introducing hydrophobic, long-alkyl-chain functionalities onto surfaces and into polymer matrices. It is essential for manufacturers in the advanced materials, pharmaceuticals, and specialty chemical sectors seeking to modify surface properties, create protective coatings, or synthesize custom silane coupling agents.

Application

• Surface Modification Agent: Used to hydrophobically functionalize silica, glass, metals, and other inorganic surfaces for improved moisture resistance and compatibility with organic polymers.
• Silane Coupling Agent Intermediate: Serves as a key precursor in the synthesis of specialized coupling agents for enhancing adhesion between organic polymers and inorganic fillers in composites.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs where a lipophilic silyl group is required.
• Polymer Synthesis & Modification: Acts as a chain terminator or functional initiator in the production of silicones and other specialty polymers to impart specific end-group functionality.
• Chromatography Stationary Phase Derivatization: Used to modify the surface of silica-based HPLC and GC columns to achieve specific separation selectivities.
• Nanomaterial Functionalization: Critical for grafting organic chains onto nanoparticles (e.g., silica, quantum dots) to control dispersion and integration into various matrices.
• Water Repellent Coatings: A building block for formulating durable water-repellent treatments for textiles, construction materials, and electronics.
• Research & Development: A valuable reagent in organic and materials chemistry research for exploring new silylation reactions and material properties.

Basic Information

Item	Details
Product Name	n-Decyldimethylchlorosilane
CAS No.	38051-57-9
Molecular Formula	C₁₂H₂₇ClSi
Molecular Weight	234.88 g/mol
Synonyms	Decyldimethylchlorosilane; Chlorodecyldimethylsilane; Dimethylchlorodecylsilane; Dimethyl-n-decylchlorosilane; n-Decyl(chloro)dimethylsilane; 1-(Chlorodimethylsilyl)decane; Silane, chlorodecyldimethyl-; Decyldimethylsilyl chloride
EINECS	253-764-7

Quality Control

Our n-Decyldimethylchlorosilane 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. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment ensures the material meets the stringent requirements for R&D and industrial-scale synthesis.

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 material is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from moisture, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Chloride Content (Titration)	Conforms

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