Speciality Chemicals

Tetramethyldivinyldisilazane

  • CAS No.7691-02-3
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity organosilicon crosslinker and adhesion promoter ideal for silicone rubber manufacturing and negative photoresist systems.

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Product Technical Details

Product Overview

Tetramethyldivinyldisilazane is a premium organosilicon compound designed for high-performance industrial applications. Characterized by its unique chemical structure containing vinyl functional groups, this substance serves as a critical crosslinking agent and adhesion promoter within advanced polymer systems. Our manufacturing process ensures exceptional purity levels, making it a reliable choice for formulators requiring consistent reactivity and performance in silicone-based matrices.

As a specialized chemical intermediate, this product facilitates improved mechanical properties and thermal stability in finished materials. The presence of vinyl groups allows for efficient participation in hydrosilylation reactions, enabling robust network formation in silicone rubbers and colloids. Furthermore, its effectiveness as an adhesion promoter in negative photoresist applications underscores its versatility across both traditional polymer manufacturing and modern electronic material fabrication.

Key Specifications

ParameterSpecification
Chemical NameTetramethyldivinyldisilazane
CAS Number7691-02-3
AppearanceTransparent liquid with a slight ammonia smell
Purity (Content)96% Minimum
PackagingIron drum, 165kg net weight
Shelf Life12 months (unopened)
Hazard Class3 + 8 (Flammable + Corrosive)

Industrial Applications

This organosilicon compound is extensively utilized in the production of high-grade silicone materials. Its primary function involves enhancing the crosslinking density of silicone rubber, which results in superior tensile strength and elongation properties. Manufacturers of silicone colloids and vinyl silicone polymers rely on this reagent to achieve precise control over curing rates and final material characteristics.

  • Silicone Rubber Manufacturing: Acts as a co-agent to improve vulcanization efficiency and physical properties.
  • Photoresist Formulations: Serves as a critical adhesion promoter for negative photoresists, ensuring pattern fidelity on substrates.
  • Surface Modification: Enhances bonding between organic polymers and inorganic surfaces in composite materials.
  • Specialty Coatings: Utilized in formulations requiring high thermal stability and chemical resistance.

Storage and Handling

Proper storage is essential to maintain the integrity and reactivity of Tetramethyldivinyldisilazane. The product must be kept in a cool, well-ventilated area away from direct sunlight and sources of ignition. Containers should remain tightly sealed when not in use to prevent moisture ingress, which could lead to hydrolysis. Given its classification as a dangerous good (Class 3 + 8), handlers must adhere to strict safety protocols, including the use of appropriate personal protective equipment such as chemical-resistant gloves and eye protection.

Our supply chain ensures that every batch is accompanied by a comprehensive Certificate of Analysis (COA), verifying compliance with stated specifications. We support global logistics with packaging designed to meet international transportation regulations for hazardous chemicals. For technical inquiries regarding formulation compatibility or bulk procurement, our expert team is available to provide detailed guidance and competitive pricing structures tailored to your production needs.