Vinyl acetate
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| Vinyl acetate | |
|---|---|
 |
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| Chemical name | Vinyl acetate |
| Other Names | Acetic acid vinyl ester, acetoxyethene, VyAc, VAM, zeset T |
| Chemical formula | C4H6O2 |
| SMILES | C=COC(C)=O |
| Molecular mass | 86.09 g/mol |
| Appearance | Colourless liquid |
| CAS number | [108-05-4] |
| Properties | |
| Density | 0.934 g/cm3 |
| Melting point | -93 °C |
| Boiling point | 72.7 °C |
| Hazards | |
| MSDS | External MSDS |
| NFPA 704 |
0
2
3
|
| R-phrases | R11 |
| S-phrases | S16, S23, S29, S33 |
| Flash point | -8°C |
| Explosive limits | 2.6–13.40% |
| Autoignition temperature | 427°C |
| RTECS Number | AK0875000 |
| Disclaimer and references | |
Vinyl acetate, also known as VAM for vinyl acetate monomer, has the chemical formula CH3COOCH=CH2 and is a colorless liquid with a sweet flavor. Systematic names include 1-acetoxyethylene and acetic acid ethenyl ester.
The usual method of preparation is by reaction of ethylene and acetic acid with oxygen and a palladium catalyst.[1]
It can be polymerized, either by itself to make polyvinyl acetate or with other monomers to prepare copolymers such as ethylene-vinyl acetate.A relatively reactive monomer due to the instability of the radical derived from VA, attempts to control the polymerization via most 'living/controlled' radical processes have proved problematic. However, RAFT (or more specifically MADIX) polymerization offers a convenient method of controlling the synthesis of PVA by the addition of a xanthate chain transfer agent.
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