Description

Dodecyltrimethylsilane is a high-purity organosilicon compound, specifically a long-chain alkyltrimethylsilane. This chemical serves as a versatile intermediate and surface-modifying agent, prized for its ability to impart hydrophobic and oleophobic properties to materials. It is essential for manufacturers in the silicone polymer, specialty coatings, and advanced materials sectors seeking to enhance product performance through tailored surface chemistry.

Application

• Silicone Intermediate: A key building block in the synthesis of modified silicone oils, resins, and elastomers.
• Surface Modification: Used as a hydrophobic agent to treat surfaces of silica, metals, and other inorganic fillers to improve compatibility with organic polymer matrices.
• Release Coatings: Employed in the formulation of non-stick and release coatings for industrial and packaging applications.
• Water Repellents: A component in formulations for creating water-resistant textiles, leather, and construction materials.
• Adhesion Promoters: Acts as a coupling agent to enhance adhesion between organic polymers and inorganic substrates.
• Lubricant Additive: Imparts lubricity and stability as an additive in specialty greases and lubricants.
• Pharmaceutical & Cosmetic Ingredients: Serves as a precursor for silicones used in personal care products for their emollient and conditioning properties.

Basic Information

Product Name	Dodecyltrimethylsilane
CAS No.	17908-09-7
Molecular Formula	C₁₅H₃₄Si
Molecular Weight	242.52 g/mol
Synonyms	Dodecyltrimethylsilane; n-Dodecyltrimethylsilane; Lauryltrimethylsilane; Trimethyldodecylsilane; Dodecylsilane, trimethyl-; 1-Trimethylsilyldodecane; Silane, dodecyltrimethyl-; Dodecyl(trimethyl)silane
EINECS	241-857-4

Quality Control

Our Dodecyltrimethylsilane is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide full traceability and a Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our production adheres to ISO 9001 standards, and the product meets relevant global regulatory requirements including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container should be kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.435 - 1.445
Density (20°C)	0.78 - 0.82 g/mL
Water Content (KF)	≤ 0.1%

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