Description

(3-Chloro-2-Methylpropyl)Dimethoxymethylsilane is a versatile organosilicon compound featuring both chloroalkyl and alkoxysilane functional groups, making it a valuable bifunctional intermediate. This chemical is essential for introducing silane functionality into polymer backbones and surfaces, enabling enhanced adhesion, cross-linking, and surface modification. It is primarily utilized by manufacturers in the silicone polymer, adhesive, sealant, and specialty coatings industries seeking to improve material performance and durability.

Application

• Silicone Polymer Modification: Acts as a key monomer or cross-linking agent in the synthesis of modified polysiloxanes, imparting specific reactivity or properties.
• Adhesive & Sealant Formulations: Used as an adhesion promoter and moisture-cure component in high-performance silicone and hybrid polymer sealants and adhesives.
• Surface Treatment & Coupling Agent: Functionalizes inorganic surfaces like glass, silica, or metals to improve compatibility and bonding with organic polymers.
• Intermediate for Specialty Chemicals: Serves as a precursor for synthesizing more complex silane derivatives used in pharmaceuticals, agrochemicals, and advanced materials.
• Rubber & Composite Reinforcement: Enhances the interaction between silica fillers and rubber matrices in tire and industrial rubber goods, improving mechanical properties.
• Water Repellent Coatings: Incorporated into formulations to create hydrophobic surfaces on construction materials, textiles, and electronics.

Basic Information

Product Name	(3-Chloro-2-Methylpropyl)Dimethoxymethylsilane
CAS No.	18244-20-7
Molecular Formula	C7H17ClO2Si
Molecular Weight	196.75 g/mol
Synonyms	Dimethoxy(methyl)(3-chloro-2-methylpropyl)silane; 1-Chloro-3-(dimethoxymethylsilyl)-2-methylpropane; (3-Chloro-2-methylpropyl)methyldimethoxysilane; Methyl(3-chloro-2-methylpropyl)dimethoxysilane; Silane, dimethoxymethyl(3-chloro-2-methylpropyl)-; 18244-20-7; Methyldimethoxy(3-chloro-2-methylpropyl)silane
EINECS	Contact for details

Quality Control

Our (3-Chloro-2-Methylpropyl)Dimethoxymethylsilane is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.00 g/cm³
Refractive Index (n20D)	~1.420
Chlorine Content	Conforms to theoretical

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