Description

Vinylmethylbis(Methylethylketoximino)Silane is a specialized organosilicon compound that functions as a highly effective crosslinking agent and adhesion promoter. Its core value lies in its ability to significantly enhance the durability, weather resistance, and bonding performance of silicone-based polymers and coatings. This product is essential for manufacturers in the sealants, adhesives, and advanced materials sectors seeking to improve product longevity and performance under demanding environmental conditions.

Application

• Crosslinking Agent for Silicone Polymers: Used in room-temperature vulcanizing (RTV) silicone rubbers and sealants to provide excellent mechanical properties and environmental stability.
• Adhesion Promoter: Enhances the bonding of silicone sealants and coatings to difficult substrates such as glass, metals, and plastics.
• Moisture-Cure Catalyst/Blocking Agent: Serves as a blocked silane, where the methylethylketoxime groups provide stability until exposure to atmospheric moisture initiates curing.
• Intermediate for Specialty Silanes: Acts as a key building block in the synthesis of more complex functional silanes for advanced material science applications.
• Filler Treatment: Used to modify the surface of inorganic fillers (e.g., silica, calcium carbonate) to improve their compatibility and dispersion within polymer matrices.
• Waterproofing and Protective Coatings: A critical component in formulations for high-performance waterproofing membranes and protective coatings that require long-term weatherability.

Basic Information

Product Name	Vinylmethylbis(Methylethylketoximino)Silane
CAS No.	73160-32-4
Molecular Formula	C11H22N2O2Si
Molecular Weight	242.40 g/mol
Synonyms	Vinylmethylbis(methylethylketoximo)silane; Silane, vinylmethylbis[(methylethylketoximo)-]; (Vinyl)(methyl)bis(2-butanone oxime)silane; Methylvinylbis(methylethylketoximo)silane; Vinylmethylbis(2-butanone oximato)silane; MEKO-blocked vinylmethylsilane; Crosslinking agent 73160-32-4
EINECS	Contact for details

Quality Control

Our production of Vinylmethylbis(Methylethylketoximino)Silane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis including assay by GC or titration, identity confirmation by FT-IR, and control of key impurities. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your material specifications.

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. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.95 - 0.98 g/mL
Refractive Index (n20D)	1.450 - 1.460

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