Ethylbenzene
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| Ethylbenzene | |
|---|---|
 |
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| General | |
| Systematic name | Ethylbenzene |
| Other names | Ethylbenzol, EB, phenylethane |
| Molecular formula | C8H10 |
| SMILES | c1ccccc1CC |
| Molar mass | 106.16 g/mol |
| Appearance | Colourless liquid |
| CAS number | [100-41-4] |
| Properties | |
| Density and phase | 0.867 g/cm3, liquid |
| Solubility in water | 0.015 g/100 ml (20 °C) |
| in organic solvents | soluble in all proportions |
| Melting point | -95 °C (188 K) |
| Boiling point | 136 °C (409 K) |
| Viscosity | 0.669 cP at 20 °C |
| Structure | |
| Molecular shape | ? |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | Flammable |
| NFPA 704 |
3
2
0
|
| Flash point | 15-20 °C |
| R/S statement | R: 11, 20 S: 2, 16, 24/25, 29 |
| RTECS number | DA0700000 |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Related aromatic hydrocarbons |
styrene, toluene |
| Related compounds | benzene polystyrene |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Ethylbenzene is an organic chemical compound which is an aromatic hydrocarbon. Its major use is in the petrochemical industry as an intermediate compound for the production of styrene, which in turn is used for making polystyrene, a commonly used plastic material. Although often present in small amounts in crude oil, ethylbenzene is produced in bulk quantities by combining the petrochemicals benzene and ethylene in an acidically-catalyzed chemical reaction. Catalytic dehydrogenation of the ethylbenzene then gives hydrogen gas and styrene, which is vinylbenzene.
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