Description

Chloromethyldimethylisopropoxysilane is a versatile organosilicon compound that serves as a key intermediate in the synthesis of advanced materials. Its value lies in its bifunctional reactivity, featuring both a chloromethyl group and an isopropoxy silane moiety, enabling its use as a coupling agent and surface modifier. This product is essential for manufacturers in the silicone polymer, adhesive, and specialty coatings industries seeking to enhance material properties and performance.

Application

• Silicone Intermediate: A crucial building block for the synthesis of functionalized silicone oils, resins, and elastomers.
• Surface Modification Agent: Used to treat inorganic fillers (e.g., silica, glass) to improve compatibility and dispersion in polymer matrices.
• Adhesive & Sealant Formulation: Imparts improved adhesion to various substrates, including metals, glass, and plastics, in high-performance formulations.
• Coupling Agent for Composites: Enhances the interfacial bond between organic polymers and inorganic reinforcements in composite materials.
• Hydrophobic Coatings: Acts as a precursor for creating water-repellent and release coatings on surfaces.
• Pharmaceutical & Agrochemical Intermediates: Serves as a synthetic intermediate in the production of more complex silane-based active ingredients or excipients.

Basic Information

Item	Detail
Product Name	Chloromethyldimethylisopropoxysilane
CAS No.	18171-11-4
Molecular Formula	C6H15ClO2Si
Molecular Weight	182.72 g/mol
Synonyms	(Chloromethyl)dimethylisopropoxysilane; Isopropoxydimethyl(chloromethyl)silane; Dimethyl(chloromethyl)isopropoxysilane; (Isopropoxy)dimethyl(chloromethyl)silane; Chloromethyldimethylisopropyloxysilane; (Chlorométhyl)diméthylisopropoxysilane; (Chlormethyl)dimethylisopropoxysilan
EINECS	Contact for details

Quality Control

Our Chloromethyldimethylisopropoxysilane is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee compliance with your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 25°C)	0.95 - 0.98 g/mL
Refractive Index (n20/D)	1.410 - 1.420

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