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1,3-Divinyl-1,1,3,3- Tetramethyldisilazane

Chemical Name:	1,3-Divinyl-1,1,3,3- Tetramethyldisilazane
Product Category:	Crosslinkers & Silazanes \| Silane Coupling Agent
Structural Formula:
CAS NO.:	7691-02-3
Molecular formula:	C₈H₁₉NSi₂
EINECS:	201-701-1
Molecular Weight:	185.41 g/mol
Appearance:	Colorless transparent liquid with a slight ammonia odor

1,3-Divinyl-1,1,3,3- Tetramethyldisilazane Description

Tetramethyldivinyldisilazane (CAS 7691-02-3), also known as 1,1,3,3-Tetramethyl-1,3-divinyldisilazane, is a specialized silane compound with significant industrial applications. This organosilicon compound is known for its versatile reactivity and is frequently utilized as a coupling agent, crosslinker, and surface treatment agent in a variety of chemical processes. As a reactive silane, Tetramethyldivinyldisilazane is invaluable in industries such as silicone manufacturing, semiconductor fabrication, and organic synthesis.

Chemical name	1,3-Divinyl-1,1,3,3- Tetramethyldisilazane
Boiling point	Approximately 160°C at 760 mmHg
Density(25°C),g/cm³	1.440
Flash Point	34°C
Refractive Index (n_D²⁰)	About 1.38
Solubility	Slightly soluble in organic solvents such as acetone, ethanol, and ether, but insoluble in water due to its highly reactive nature.Miscible with alcohols; soluble in ethers; slightly soluble in benzene
Uses	Silicone Resin and Rubber Manufacturing: Tetramethyl divinyldisilazane is utilized in producing silicone resins, silicone rubber, and vinyl silicone resins, enhancing the material’s properties. Adhesion Promoter in Photoresists: It acts as an adhesion promoter for negative photoresists, improving the adhesion between photoresist layers and substrates, which is crucial in semiconductor manufacturing. Silylation Reagent: Serves as a silylation agent in organic synthesis, modifying surfaces and introducing silyl groups into molecules, which is beneficial in various chemical processes.
Safety and Handling	Hazard Symbols: C – Corrosive Risk Phrases: R10 – Flammable; R34 – Causes burns; R22 – Harmful if swallowed Safety Phrases: S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; S36/37/39 – Wear suitable protective clothing, gloves, and eye/face protection UN Number: 2920 Packing Group: II WGK Germany: 3
Packaging	Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC，or according to your requirements.
Sample	Provided for free
Inventory items	1 tons.
Price	Please contact us to get the new price.

Packaging Specifications

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1,3-Divinyl-1,1,3,3- Tetramethyldisilazane: Guide

Tetramethyldivinyldisilazane (CAS 7691-02-3) is an essential silane coupling agent that plays a critical role in a wide range of industrial applications. From silicone resins and rubbers to semiconductor manufacturing and organic synthesis, its reactivity and bonding capabilities make it indispensable for producing high-performance materials. By enhancing adhesion, durability, and stability, Tetramethyldivinyldisilazane remains a key component in the formulation of advanced coatings, foundry molds, and electronic devices.

Proper safety precautions must be followed when handling this compound, ensuring safe usage in various industries. With its broad range of applications and critical role in modern manufacturing processes, Tetramethyldivinyldisilazane continues to drive innovations across materials science, electronics, and chemical engineering.