Description

Methyltri-n-Decylsilane is a high-purity organosilicon compound characterized by its long alkyl chains. This structure makes it a valuable intermediate and functional additive in advanced material science, offering unique hydrophobic and surface-modifying properties. It is primarily utilized by manufacturers in the silicone polymer, specialty coatings, and pharmaceutical synthesis industries seeking to enhance product performance and stability.

Application

• Silicone Polymer Modification: Acts as a chain extender or cross-linking agent to tailor the flexibility, hydrophobicity, and thermal stability of silicone elastomers and resins.
• Surface Treatment Agent: Imparts durable water-repellent and release properties to textiles, paper, and various substrates.
• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Lubricant & Grease Additive: Enhances the performance characteristics of high-temperature lubricants and greases.
• Adhesive & Sealant Formulation: Improves adhesion, moisture resistance, and weatherability in high-performance sealants and adhesives.
• Research & Development: Used in academic and industrial R&D for exploring new organosilicon chemistry and material applications.

Basic Information

Product Name	Methyltri-n-Decylsilane
CAS No.	18769-78-3
Molecular Formula	C₃₁H₆₆Si
Molecular Weight	467.0 g/mol
Synonyms	Methyltris(decyl)silane; n-Decylsilane, methyltris-; Tris(n-decyl)methylsilane; Methyltris(1-decyl)silane; Methyltri-n-decylsilane; Silane, methyltris(decyl)-; Methyltris(decyl)silane; Trisdecylmethylsilane
EINECS	Contact for details

Quality Control

Our Methyltri-n-Decylsilane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee supply reliability and product integrity for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent degradation. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.82 g/mL
Refractive Index (n20/D)	~1.45

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