Description

3-Chloropropylmethyldichlorosilane is a highly reactive organosilicon compound that serves as a critical intermediate in organosilicon chemistry. Its value lies in its bifunctional structure, featuring both a reactive chloropropyl group and dichlorosilane functionality, enabling it to act as a versatile linker and precursor. This chemical is essential for manufacturers in the silicone polymer, specialty chemical, and advanced materials sectors seeking to introduce specific functional groups or create custom silane coupling agents.

Application

• Silane Coupling Agent Precursor: A key intermediate for synthesizing a wide range of functional silane coupling agents used to improve adhesion between organic polymers and inorganic surfaces.
• Silicone Polymer Modification: Used to introduce chloropropyl groups into silicone backbones, creating modified polysiloxanes with specific properties for coatings, sealants, and rubbers.
• Surface Treatment Agent: Employed in the surface treatment of glass fibers, minerals, and fillers to enhance compatibility and dispersion in composite materials.
• Pharmaceutical & AgroChemical Intermediates: Serves as a building block in the synthesis of more complex molecules for active ingredients or functional excipients.
• Chromatography Stationary Phases: Utilized in the functionalization of silica gel to create specialized stationary phases for HPLC and other chromatographic separations.
• Crosslinking Agent: Acts as a crosslinker in the production of specialty resins and elastomers, contributing to thermal and chemical resistance.

Basic Information

Item	Detail
Product Name	3-Chloropropylmethyldichlorosilane
CAS No.	7787-93-1
Molecular Formula	C4H9Cl3Si
Molecular Weight	191.56 g/mol
Synonyms	(3-Chloropropyl)methyldichlorosilane; Methyldichloro(3-chloropropyl)silane; 1-Chloro-3-(methyldichlorosilyl)propane; Dichloro(3-chloropropyl)methylsilane; γ-Chloropropylmethyldichlorosilane; 3-Chloropropyldichloromethylsilane; Silane, dichloro(3-chloropropyl)methyl-; Dichloromethyl(3-chloropropyl)silane
EINECS	232-123-5

Quality Control

Our 3-Chloropropylmethyldichlorosilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your precise technical requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.23 - 1.27 g/mL
Refractive Index (n20D)	1.458 - 1.462
Water Content (KF)	≤ 0.1%

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