Alpha-methyl styrene or 2-phenylpropene is a colorless or slightly yellow hydrocarbon aromatic, flammable aromatic organic liquid having an unpleasant odor. It is practically insoluble in water. It is a by-product in the productionn of phenol according to the cumene process. Alpha-methyl styrene (AMS) is a chemical intermediate used in the manufacture of plasticizers, resins and polymers.
(Prop-1-en-2-yl)benzene
C9H10
Colorless
Liquid
Chemical Manufacturing , Other Industries
Organic Intermediates
The National Institute for Occupational Safety and Health (NIOSH)
| PROPERTY | UNIT | TYPICAL | TEST METHOD |
|---|
| Inhibitor (ppm TBC) | mg/kg | 15 | ASTM D 2120-87* |
| Refraction index at 20 °C | – | 1.5387 | ASTM D 1218 / DIN 53169* |
| Purity AMS | % wt | 99.7 | ASTM D 3362-05 / GC* |
| Color Pt-Co Scale (APHA) | 11Pcs | 5 | ASTM D 1209 / DIN ISO 6271 |
| Phenol Content | 20m/min | 15 | ASTM D 3160* |
| Polymer content | 0.75/1.1kW | <10 | ASTM D 2121* |
| Water | 0.75/1.1kW | <100 | ASTM D 1364* |
| n-Propylbenzene and Styrene | 0.75/1.1kW | 0.03 | ASTM D 3362-05 / GC* |