Description

Vinylmethylbis(Methylethylketoximino)Silane is a specialized organosilicon compound, specifically a vinyl-functional silane coupling agent. Its core value lies in its dual functionality, where the vinyl group enables co-polymerization with organic polymers and the alkoxyimino groups provide moisture-curable crosslinking and adhesion promotion. This product is essential for formulators and manufacturers in the silicone rubber, adhesive, sealant, and coatings industries seeking to enhance the bonding between inorganic substrates and organic matrices.

Application

• Crosslinking agent for moisture-curable silicone sealants and RTV (Room Temperature Vulcanizing) silicone rubbers.
• Adhesion promoter in primers and coatings for glass, metals, and mineral surfaces.
• Key intermediate in the synthesis of specialty silicone polymers and resins.
• Surface treatment agent for fillers (e.g., silica, glass fibers) to improve compatibility and dispersion in polymer composites.
• Component in electronic potting and encapsulating compounds requiring strong adhesion and environmental resistance.
• Used in the formulation of high-performance industrial and construction adhesives.

Basic Information

Item	Detail
Product Name	Vinylmethylbis(Methylethylketoximino)Silane
CAS No.	72721-10-9
Molecular Formula	C11H22N2O2Si
Molecular Weight	242.40 g/mol
Synonyms	Vinylmethylbis(methylethylketoximo)silane; Methylvinylbis(methylethylketoximo)silane; Silane, vinylmethylbis(methylethylketoximino)-; Vinylmethylbis(1-methyl-1-ethylketoximo)silane; (Methylethylketoximino)methylvinylsilane; Bis(methylethylketoximino)methylvinylsilane; CAS 72721-10-9
EINECS	Contact for details

Quality Control

Our Vinylmethylbis(Methylethylketoximino)Silane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with relevant industry specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and quality assurance for our global B2B clients.

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); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	~0.95 g/cm³
Refractive Index (n20D)	~1.45

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