Methylvinyldiethoxysilane
| Chemical Name: | Methylvinyldiethoxysilane |
| Alias: | vinylmethyldiethoxysilane,Diethoxymethylvinylsilane |
| Product Category: | Vinyl Silane – Silanes |
| Structural Formula: |  |
| CAS No.: | 5507-44-8 |
| EINECS: | 226-850-4 |
| Molecular Formula: | C7H16O2Si |
| Molecular Weight: | 160.286 |
Methylvinyldiethoxysilane Description
Methylvinyldiethoxysilane (CAS 5507-44-8), also known as vinylmethyldiethoxysilane or Diethoxymethylvinylsilane, is a colorless to light yellow fuming liquid with a pungent odor. It is soluble in most organic solvents and is primarily used in organic synthesis as a key intermediate for silicone production. This silane is commonly used as a coupling agent for adhesives and as a chemical reagent in various industrial applications.
| Chemical name | Methylvinyldiethoxysilane |
| Synonymous | Vinylmethyldiethoxysilane, Diethoxymethylvinylsilane |
| Density | 0.9±0.1 g/cm3 |
| Boiling Point | 133.0±9.0 °C at 760 mmHg |
| Melting Point | 133ºC |
| Molecular Formula | C7H16O2Si |
| Molecular Weight | 160.286 |
| Flash Point | 17.8±0.0 °C |
| Exact Mass | 160.091949 |
| Psas | 18.46000 |
| Logp | 3.73 |
| Appearance Traits | colorless transparent liquid |
| Vapor Pressure | 10.6±0.2 mmHg at 25°C |
| Refractive Index | 1.409 |
| Storage Conditions | Store at room temperature, away from light, in a cool and dry place, sealed |
| Stability | It is stable under normal temperature and pressure. It reacts with water to release ethanol and generate the condensate of methyl vinyl silicone diol. Under the action of organic peroxides, Si-CH=CH2 bonds can undergo free radical polymerization reactions. Under the action of platinum catalyst. The Si=CH=CH2 bond can undergo an addition reaction with compounds containing Si-H bonds. |
| Water Solubility | Soluble in: methanol |
| Molecular Structure | 1. Molar refractive index: 46.41 2. Molar volume (m3/mol): 187.6 3. Isotonic specific volume (90.2K): 398.1 4. Surface tension (dyne/cm): 20.2 5. Polarizability (10 -24cm 3): 18.39 |
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Methylvinyldiethoxysilane: Guide
Methylvinyldiethoxysilane (CAS 5507-44-8) is a versatile chemical used as a coupling agent, adhesion promoter, and crosslinking agent. It improves adhesion and crosslinking in materials like polyethylene, rubber, polyester, and more.
Key Applications:
- Coupling & Adhesion: Improves bonding between polyethylene and inorganic materials.
- Crosslinking Agent: Used in polyethylene and other resins.
- Surface Treatment: Enhances plastics, rubber, and fillers for better performance.
