Description

Methylvinylsilanediol CAS NO 3959-12-4 is a reactive organosilicon intermediate featuring both vinyl and silanol functional groups. This unique bifunctional structure makes it a valuable building block for synthesizing specialized silicone polymers and cross-linking agents. It is primarily sought after by manufacturers in the silicone elastomer, adhesive, and advanced materials sectors for developing products with tailored mechanical and surface properties.

Application

• Silicone Cross-linking Agent: Serves as a reactive moiety in the production of room-temperature vulcanizing (RTV) and high-temperature vulcanizing (HTV) silicone rubbers.
• Polymer Modification: Used to introduce vinyl and silanol groups into polymer backbones, enhancing adhesion, cross-linking density, and compatibility with other materials.
• Specialty Silicone Fluids & Resins: A key intermediate for manufacturing vinyl-functional silicone oils, resins, and release coatings with improved cure characteristics.
• Adhesive & Sealant Formulations: Imparts improved bonding strength and environmental resistance in high-performance silicone-based adhesives and sealants.
• Surface Treatment Agent: Utilized to modify inorganic surfaces like glass or silica, providing organic functionality for composite materials.
• Research & Development: Employed in academic and industrial R&D for exploring novel organosilicon chemistry and advanced material synthesis.

Basic Information

Product Name	Methylvinylsilanediol
CAS No.	3959-12-4
Molecular Formula	C₃H₈O₂Si
Molecular Weight	104.18 g/mol
Synonyms	Methylvinylsilanediol; Vinylmethylsilanediol; Methylvinylsilane diol; Silanediol, methylvinyl-; Methyl(vinyl)silanediol; 1-Ethenyl-1-methylsilanediol; (Methylvinyl)siliconediol; Methyl vinyl silanediol
EINECS	223-558-7

Quality Control

Our Methylvinylsilanediol is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity, and identity confirmation, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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 compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture and prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 1.0%

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