Description

Silane, (3-Chloropropyl)Dimethyl- is a versatile organosilicon compound featuring a reactive chloropropyl group. This chemical is a crucial intermediate for introducing functional silane groups into polymers and surfaces, enabling enhanced adhesion, cross-linking, and modification. It is primarily needed by manufacturers in the silicone rubber, adhesive, and surface treatment industries for creating specialty materials with tailored properties.

Application

• Silicone Rubber Cross-linking Agent: Acts as a key component in peroxide-cured silicone elastomers to improve mechanical strength and heat resistance.
• Adhesive & Sealant Formulation: Used as an adhesion promoter in epoxy, polyurethane, and silicone-based systems for bonding to glass, metals, and minerals.
• Surface Modification & Coupling Agent: Functionalizes inorganic fillers (e.g., silica, glass fibers) and surfaces to improve compatibility with organic polymer matrices.
• Pharmaceutical & Agrochemical Intermediates: Serves as a building block in the synthesis of more complex organosilicon molecules for specialized applications.
• Hydrophobic Coating Precursor: Used in the development of water-repellent coatings for textiles, electronics, and construction materials.

Basic Information

Product Name	Silane, (3-Chloropropyl)Dimethyl-
CAS No.	18157-31-8
Molecular Formula	C5H13ClSi
Molecular Weight	136.70 g/mol
Synonyms	(3-Chloropropyl)dimethylsilane; Dimethyl(3-chloropropyl)silane; 3-Chloropropyldimethylsilane; Chloropropyldimethylsilane; 1-Chloro-3-(dimethylsilyl)propane; (3-Chloropropyl)dimethylsilicon hydride; Silane, chloropropyldimethyl-; NSC 163081
EINECS	242-060-2

Quality Control

Our (3-Chloropropyl)Dimethylsilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.88 - 0.92 g/mL
Refractive Index (n20D)	1.428 - 1.432

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