Description

3-Chloropropylmethyldiisopropoxysilane is a specialized organosilicon compound, specifically a chloropropyl-functional alkoxysilane, that serves as a critical coupling agent and intermediate in advanced material synthesis. Its molecular structure, featuring both a reactive chloropropyl group and hydrolyzable isopropoxy groups, enables it to form durable bonds between inorganic substrates and organic polymers. This product is essential for manufacturers in the silicone, adhesive, sealant, and composite materials industries seeking to enhance material compatibility, adhesion, and performance. Reliable sourcing of high-purity silanes is fundamental for ensuring consistent product quality and process stability in these demanding applications.

Application

• Surface Modification Agent: Used to treat glass fibers, minerals, and metal oxides to improve their adhesion to polymer matrices in composites.
• Silicone Intermediate: Serves as a key building block in the synthesis of modified silicone oils, resins, and elastomers with specific functional properties.
• Adhesive & Sealant Formulation: Incorporated as an adhesion promoter to enhance bonding strength and durability, especially on difficult substrates.
• Coupling Agent for Fillers: Improves the dispersion and interfacial bonding of fillers (e.g., silica, clay) in rubber and plastic compounds, leading to better mechanical properties.
• Hybrid Material Synthesis: Acts as a precursor in sol-gel processes for creating organic-inorganic hybrid coatings and materials with tailored surface characteristics.
• Waterproofing Agent: Used in formulations for fabric, stone, and concrete treatments to impart water repellency.

Basic Information

Product Name	3-Chloropropylmethyldiisopropoxysilane
CAS No.	2055171-76-9
Molecular Formula	C10H23ClO2Si
Molecular Weight	238.83 g/mol
Synonyms	Methyl(3-chloropropyl)diisopropoxysilane; (3-Chloropropyl)methyldiisopropoxysilane; Diisopropoxy(3-chloropropyl)methylsilane; Silane, diisopropoxy(3-chloropropyl)methyl-; 3-Chloropropylmethyldiisopropyloxysilane; (3-Chloropropyl)methyldi-iso-propoxysilane; CP-MDIPS
EINECS	Contact for details

Quality Control

Our production of 3-Chloropropylmethyldiisopropoxysilane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer requirements. We are committed to supporting your quality assurance needs and regulatory compliance.

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 prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (25°C)	0.98 - 1.02 g/mL
Refractive Index (n20/D)	1.420 - 1.430

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