Description

3-Chloropropydimethylvinylsilane is a highly reactive organosilicon compound featuring both a chloropropyl and a vinyl functional group. This dual functionality makes it a versatile intermediate for the synthesis of advanced silicone polymers and surface-modifying agents. It is primarily used by manufacturers in the silicone, adhesives, and specialty coatings industries to introduce reactive sites for cross-linking or to impart specific surface properties.

Application

• Silicone Polymer Modification: Key monomer for introducing reactive chloropropyl and vinyl groups into silicone backbones, enhancing cross-linking density and mechanical properties.
• Adhesive & Sealant Formulations: Used as a coupling agent and cross-linker to improve adhesion to various substrates and environmental resistance.
• Surface Treatment Agent: Imparts hydrophobic and oleophobic properties to glass, minerals, and fillers for composite materials.
• Pharmaceutical & Agrochemical Intermediates: Serves as a building block in the synthesis of more complex silane-based active ingredients or delivery agents.
• Rubber & Elastomer Additive: Enhances filler-polymer interaction and processing characteristics in silicone rubber compounds.
• Research & Development: A valuable reagent in organic and polymer chemistry labs for developing new functional materials.

Basic Information

Product Name	3-Chloropropydimethylvinylsilane
CAS No.	88820-71-7
Molecular Formula	C7H15ClSi
Molecular Weight	162.73 g/mol
Synonyms	Dimethylvinyl(3-chloropropyl)silane; (3-Chloropropyl)dimethylvinylsilane; Vinyl(3-chloropropyl)dimethylsilane; 3-Chloropropyldimethylvinylsilane; Chloropropyldimethylvinylsilane; Dimethyl(3-chloropropyl)vinylsilane; (Chloropropyl)dimethylvinylsilane
EINECS	Contact for details

Quality Control

Our production of 3-Chloropropydimethylvinylsilane adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay and purity verification by GC and NMR. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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 kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	0.90 - 0.92 g/mL
Refractive Index (n20D)	1.440 - 1.445

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