Styrene is primarily a synthetic chemical. It is also known as vinylbenzene, ethenylbenzene, cinnamene, or phenylethylene. It’s a colorless liquid that evaporates easily and has a sweet smell. It often contains other chemicals that give it a sharp, unpleasant smell. It dissolves in some liquids but doesn’t dissolve easily in water.
| CAS: | 100-42-5 | UN: | 2055 |
| Other Names: | Styrene Monomer, Vinylbenzene, Ethenylbenzene, Phenylethylene | Appearance: | colorless liquid with an aromatic odor |
| Density: | 0.91 g/cm³ | Melting point: | −30.6 °C |
| Boiling point: | 145 °C | Flash point: | 31 °C |
| UN Hazard Class: | 3 | UN Pack Group: | II |
| Molecular Formula: | C8H8 or C6H5CHCH2 | ||