Description

1,1,3,3-Tetramethyl-1,3-Divinyldisilazane is a high-purity organosilicon compound, CAS NO 7691-02-3, valued for its dual functionality as a versatile silane coupling agent and a key monomer in advanced polymer synthesis. Its unique structure, featuring both vinyl and disilazane groups, makes it an essential precursor for creating specialized silicone resins, elastomers, and surface-modifying agents. This chemical is primarily sought by manufacturers in the silicone polymer, electronics, and specialty coatings industries for developing materials with enhanced thermal stability, adhesion, and cross-linking properties.

Application

• Silicone Polymer Synthesis: A critical monomer for producing high-performance silicone resins, elastomers, and fluids with tailored properties.
• Surface Modification & Coupling Agent: Used to functionalize inorganic fillers (like silica) and surfaces to improve compatibility and adhesion in composite materials.
• Electronics & Semiconductor Industry: Serves as a precursor for dielectric materials, protective coatings, and passivation layers in microelectronic devices.
• Specialty Adhesives & Sealants: Imparts enhanced cross-linking efficiency and thermal resistance to high-performance formulations.
• Pharmaceutical & Agro-Intermediates: Utilized as a building block in the synthesis of more complex organosilicon compounds for specialized applications.
• Research & Development: Employed in academic and industrial R&D for developing novel silicon-based materials and nanotechnology applications.

Basic Information

Item	Details
Product Name	1,1,3,3-Tetramethyl-1,3-Divinyldisilazane
CAS No.	7691-02-3
Molecular Formula	C8H19NSi2
Molecular Weight	185.41 g/mol
Synonyms	Divinyltetramethyldisilazane; 1,3-Divinyl-1,1,3,3-tetramethyldisilazane; Bis(vinyl-dimethylsilyl)amine; N-(Dimethylvinylsilyl)-N-(vinyl-dimethylsilyl)amine; Tetramethyldivinyldisilazane; TMVDSA; Vinyl functional disilazane; Disilazane, 1,1,3,3-tetramethyl-1,3-divinyl-
EINECS	231-680-5

Quality Control

Our 1,1,3,3-Tetramethyl-1,3-Divinyldisilazane is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We are committed to meeting the quality standards required for industrial and advanced material applications.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids and oxidizers.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.430 - 1.435
Density (20°C)	0.82 - 0.85 g/mL

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