Methylvinyldimethoxysilane
| Chemical Name: | Methylvinyldimethoxysilane |
| Alias: | Methyldimethoxyvinylsilane, Dimethoxymethylvinylsilane, Vinylmethyldimethoxysilane |
| Product Category: | Vinyl Silane – Silanes |
| Structural Formula: |  |
| CAS No.: | 16753-62-1 |
| EINECS: | 240-816-6 |
| Molecular Formula: | C5H12O2Si |
| Molecular Weight: | 132.23 |
Methylvinyldimethoxysilane Description
Methylvinyldimethoxysilane (CAS 16753-62-1), also known as Methyldimethoxyvinylsilane or Vinylmethyldimethoxysilane, is a colorless, transparent liquid with a distinct odor.
As a vinyl-functional alkoxysilane, it serves as an essential silane coupling agent containing a reactive double bond. It enhances adhesion, modifies surfaces, and introduces new functional groups in organic synthesis and polymer applications.
| Chemical name | Methylvinyldimethoxysilane |
| Synonymous | Methyldimethoxyvinylsilane, Dimethoxymethylvinylsilane, Vinylmethyldimethoxysilane |
| Melting point | <0°C |
| Boiling point | 106 °C(lit.) |
| density | 0.884 g/mL at 25 °C(lit.) |
| refractive index | n20/D 1.395(lit.) |
| Fp | 38 °F |
| form | liquid |
| Specific Gravity | 0.889 |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| Sensitive | Moisture Sensitive |
| BRN | 3043765 |
| InChIKey | ZLNAFSPCNATQPQ-UHFFFAOYSA-N |
| CAS DataBase Reference | 16753-62-1(CAS DataBase Reference) |
| EPA Substance Registry System | ethenyldimethoxymethyl- (16753-62-1) |
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Methylvinyldimethoxysilane: Guide
Methylvinyldimethoxysilane is a key organosilicon monomer and silane coupling agent. With its reactive vinyl group, it enhances adhesion by bonding with organic materials and introducing new functional groups.
Applications:
- Surface modification of glass fibers and inorganic fillers
- Formulation of sealants and adhesives, including LED encapsulation sealants
- Synthesis of cyclic methyl vinyl siloxane, a crucial raw material for methyl vinyl silicone rubber (VMQ)
