Description

Methyl(3-Phenylpropyl)Stearylchlorosilane is a specialized organosilicon compound, specifically a chlorosilane derivative, designed for advanced surface modification and functionalization. Its molecular structure, featuring both a long alkyl (stearyl) chain and a phenylpropyl group, makes it a valuable reagent for imparting specific hydrophobic and organophilic properties to inorganic substrates. This compound is essential for researchers and manufacturers in the materials science and specialty chemical sectors who require precise control over surface energy and reactivity. It is particularly relevant for developing high-performance coatings, adhesives, and composite materials.

Application

• Surface Modification Agent: Used as a silylating reagent to functionalize silica, glass, and other metal oxide surfaces, creating hydrophobic layers.
• Intermediate for Silicone Synthesis: Serves as a key building block in the synthesis of custom polysiloxanes and silicone polymers with tailored properties.
• Adhesion Promoter: Enhances the bonding between organic polymers and inorganic fillers or substrates in composite materials.
• Nanomaterial Functionalization: Applied to modify nanoparticles (e.g., silica, titania) to improve dispersion in organic matrices and prevent agglomeration.
• Water-Repellent Coatings: A precursor for formulating coatings that provide water and stain resistance to textiles, paper, and construction materials.
• Release Agent Intermediate: Used in the production of silicone-based release coatings for labels, tapes, and baking papers.
• Chromatography Stationary Phases: Can be employed to derivatize silica gel for use in preparative or analytical chromatography columns.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new organosilicon chemistry and material interfaces.

Basic Information

Product Name	Methyl(3-Phenylpropyl)Stearylchlorosilane
CAS No.	1166892-10-9
Molecular Formula	C28H51ClSi
Molecular Weight	451.25 g/mol
Synonyms	Stearyldimethyl(3-phenylpropyl)chlorosilane; Chloro(stearyl)methyl(3-phenylpropyl)silane; Dimethylstearyl(3-phenylpropyl)chlorosilane; Octadecyldimethyl(3-phenylpropyl)chlorosilane; (3-Phenylpropyl)dimethylstearylchlorosilane; Silane, chloromethyl(3-phenylpropyl)octadecyl-; N-Octadecyldimethyl(3-phenylpropyl)chlorosilane; (Phenylpropyl)methylystearylchlorosilane
EINECS	Contact for details

Quality Control

Our Methyl(3-Phenylpropyl)Stearylchlorosilane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay (by GC or NMR), identity confirmation, and impurity profiling. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical quality parameters. Our quality management system supports compliance with relevant industry standards, and we can accommodate specific purity requirements for research or production-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Recommended storage temperature is 2-8°C for long-term stability. Keep away from moisture, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Chlorine Content	Contact for details
Water Content (KF)	≤ 0.5%

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