Description

(3-Phenylpropyl)Methyldichlorosilane is a versatile organosilicon intermediate characterized by its reactive dichlorosilane group and phenylpropyl substituent. This compound matters for its role as a key building block in the synthesis of functionalized siloxanes and silicone polymers, enabling precise modification of material properties. It is primarily needed by manufacturers in the silicone elastomer, resin, and specialty chemical industries for creating advanced materials with tailored surface characteristics, thermal stability, and adhesion properties.

Application

• Silicone Polymer Modification: Serves as a reactive monomer or cross-linking agent in the production of phenyl-containing silicone oils, resins, and rubbers to enhance thermal and oxidative stability.
• Surface Treatment & Coupling Agents: Used to synthesize silane coupling agents for improving adhesion between organic polymers and inorganic surfaces like glass, metals, or minerals.
• Hydrophobic Coatings: A precursor for creating water-repellent and release coatings on various substrates, including textiles, paper, and construction materials.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of organosilicon compounds with potential biological activity or as protecting groups in complex molecule synthesis.
• Specialty Silicone Fluids: Key ingredient for formulating high-performance lubricants, damping fluids, and heat transfer media with specific phenyl content.
• Adhesive & Sealant Formulations: Imparts specific rheological and durability properties to high-performance silicone-based adhesives and sealants.

Basic Information

Product Name	(3-Phenylpropyl)Methyldichlorosilane
CAS No.	17776-66-8
Molecular Formula	C10H14Cl2Si
Molecular Weight	233.21 g/mol
Synonyms	Methyl(3-phenylpropyl)dichlorosilane; Dichloro(methyl)(3-phenylpropyl)silane; 3-Phenylpropyldichloromethylsilane; 1-Phenyl-3-(dichloromethylsilyl)propane; (3-Phenylpropyl)methyldichlorosilane; Methyldichloro(3-phenylpropyl)silane; Silane, dichloromethyl(3-phenylpropyl)-; Dichloro(3-phenylpropyl)methylsilane
EINECS	Contact for details

Quality Control

Our (3-Phenylpropyl)Methyldichlorosilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 25°C. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, oxidizing agents, and alcohols.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.10 - 1.15 g/mL
Refractive Index (n20D)	1.520 - 1.530
Water Content (KF)	≤ 0.1%

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