Speciality Chemicals

Ethyltriacetoxysilane

  • CAS No.17689-77-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Ethyltriacetoxysilane serves as an efficient cross-linking agent for RTV silicone rubber and polymer systems. Ideal for coupling applications in fibers and plastics with 95% assay.

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Product Technical Details

Product Overview

Ethyltriacetoxysilane is a high-performance organosilicon compound widely recognized for its exceptional reactivity and versatility in industrial applications. As a leading manufacturer, we supply this advanced silane derivative with stringent quality controls to ensure optimal performance in demanding chemical environments. This colorless to light yellow transparent liquid functions primarily as a moisture-cure cross-linking agent, facilitating the formation of robust silicone networks in one-component RTV (Room Temperature Vulcanizing) systems. Its unique chemical structure allows for efficient hydrolysis and condensation reactions, making it an indispensable component for professionals seeking reliable adhesion and durability in polymer matrices.

Key Specifications

ParameterSpecification
Chemical NameEthyltriacetoxysilane
CAS Number17689-77-9
AppearanceColorless or light yellow transparent liquid
Purity (Content)95.0% Minimum
Packaging200Kg Drum or 1000Kg IBC Container
Shelf Life12 Months from Production Date
Hazard ClassClass 8 Corrosive Substance

Industrial Applications

The primary utility of Ethyltriacetoxysilane lies in its capability to act as a cross-linking agent within silicone rubber formulations. It is extensively used in the production of one-component RTV silicone rubbers, where it enables curing upon exposure to atmospheric moisture. Beyond silicone systems, this compound serves as a highly effective coupling agent for treating various substrates including fibers, plastics, and inorganic fillers. By enhancing the interfacial bonding between organic polymers and inorganic materials, it significantly improves mechanical properties such as tensile strength and abrasion resistance.

  • Effective cross-linker for PE and other polymer systems.
  • Superior adhesion promotion for glass and metal substrates.
  • Compatible with a wide range of inorganic fillers.
  • Ensures consistent curing profiles in RTV applications.

Storage and Handling

To maintain the integrity and reactivity of Ethyltriacetoxysilane, proper storage conditions are essential. The product should be kept in its original unopened container at temperatures not exceeding 25℃. Exposure to high humidity or direct sunlight must be avoided to prevent premature hydrolysis. Under recommended storage conditions, the shelf life extends to one year from the date of production. Please note that expired products may still be usable but must undergo rigorous quality testing before incorporation into any production batch. As a Class 8 dangerous good, appropriate safety measures including personal protective equipment should be utilized during handling and transportation to ensure workplace safety and regulatory compliance.