Intermediates

(3-Chloropropyl)diethoxy(methyl)silane

  • CAS No.13501-76-3
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity (3-Chloropropyl)diethoxy(methyl)silane (CAS 13501-76-3) is a versatile organosilane intermediate used in rubber, plastic, and textile industries for performance enhancement.

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Product Technical Details

Product Overview

(3-Chloropropyl)diethoxy(methyl)silane is a high-value organosilicon compound widely employed as a chemical intermediate in the synthesis of advanced functional silanes and silicone-based materials. With a molecular formula of C8H19ClO2Si and a molecular weight of 210.77 g/mol, this reagent features a reactive chloropropyl group and two ethoxy functionalities, enabling versatile coupling and crosslinking capabilities in polymer systems.

Specifications

Molecular FormulaC8H19ClO2Si
Molecular Weight210.774 g/mol
Density0.973 g/cm³
Boiling Point81–83°C
Flash Point79.6°C
Refractive Index1.4232
AppearanceColorless transparent liquid
Purity (GC)≥99.0%

Industrial Applications

This silane serves primarily as a building block in the development of specialty organofunctional silicones. Its key applications span multiple industrial sectors:

  • In the rubber industry, it enhances the mechanical strength of polyurethane elastomers by introducing polarized chloropropyl moieties that improve interfacial adhesion and crosslink density.
  • It facilitates the production of vulcanized rubber formulations exhibiting low penetrativity, reduced rolling resistance, and superior elasticity with high elongation rates—ideal for high-performance tires and seals.
  • In plastics, particularly PVC systems, it acts as a stabilizing agent that mitigates additive migration, thereby maintaining surface cleanliness and long-term material integrity.
  • Within polyurethane foam manufacturing, derivatives of this compound function as moisture-regulating absorbents, significantly improving climate adaptability and dimensional stability.
  • In textile finishing, it contributes to the formulation of softening agents that impart enhanced fabric elasticity and hand feel without compromising breathability.

Stored in a cool, well-ventilated area away from ignition sources, (3-Chloropropyl)diethoxy(methyl)silane is typically supplied in 190 kg drums or customized packaging to meet global industrial demand.