Description

3-Chloropropyl Diallyl Methylsilane is a specialized organosilicon compound featuring both a reactive chloropropyl group and two diallyl functionalities. This unique bifunctional structure makes it a valuable intermediate for synthesizing advanced silicone polymers and cross-linked networks. It is primarily utilized in the production of high-performance silicone elastomers, release coatings, and as a coupling agent in composite materials for the electronics, automotive, and aerospace industries.

Application

• Silicone Polymer Synthesis: A key monomer for creating custom silicone resins and elastomers with tailored properties.
• Cross-linking Agent: Used in the formulation of heat-curable silicone rubbers and high-consistency rubber (HCR) due to its diallyl groups.
• Adhesion Promoter: Acts as a coupling agent to improve the bond between organic polymers and inorganic surfaces like glass or metals.
• Release Coating Intermediate: Serves as a precursor in the manufacture of silicone-based release liners for labels and tapes.
• Composite Materials: Enhances the dispersion and interfacial strength of fillers in advanced polymer composites.
• Surface Modification: Used to functionalize silica or other nanoparticles for specialized applications.

Basic Information

Product Name	3-Chloropropyl Diallyl Methylsilane
CAS No.	206450-45-5
Molecular Formula	C9H17ClSi
Molecular Weight	188.77 g/mol
Synonyms	Diallyl(3-chloropropyl)methylsilane; Methyl(3-chloropropyl)diallylsilane; 3-Chloropropyldiallylmethylsilane; Silane, diallyl(3-chloropropyl)methyl-; (3-Chloropropyl)methyldiallylsilane; Diallylmethyl(3-chloropropyl)silane
EINECS	Contact for details

Quality Control

Our production of 3-Chloropropyl Diallyl Methylsilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and Karl Fischer titration. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	0.95 - 0.98 g/mL

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