| 2901.24.20 | 00 | Isoprene: | | | | |
| 2901.24.20 | 00 | Having a purity of 95 percent or more by weight | kg | Free | | 25% |
| 2901.24.50 | 00 | Other | kg | Free | | 25% |
| 2901.29 | | Other: | | | | |
| 2901.29.10 | | Derived in whole or in part from petroleum, shale oil or natural gas | | Free | | 25% |
| 2901.29.10 | 10 | Linear α-olefins (C6-C30), unmixed | kg | | | |
| 2901.29.10 | 50 | Other | kg | | | |
| 2901.29.50 | 00 | Other | kg | Free | | 25% |
| 2902 | | Cyclic hydrocarbons: | | | | |
| 2902.11.00 | 00 | Cyclanes, cyclenes and cycloterpenes: | | | | |
| 2902.11.00 | 00 | Cyclohexane | kg | Free | | 15.4¢/kg + 40% |
| 2902.19.00 | | Other | | Free | | 25% |
| 2902.19.00 | 10 | Dicyclopentadiene | kg | | | |
| 2902.19.00 | 50 | Other | kg | | | |
| 2902.20.00 | 00 | Benzene | liters | Free | | Free |
| 2902.30.00 | 00 | Toluene | liters | Free | | Free |
| 2902.41.00 | 00 | Xylenes: | | | | |
| 2902.41.00 | 00 | o-Xylene | liters | Free | | Free |
| 2902.42.00 | 00 | m-Xylene | liters | Free | | Free |
| 2902.43.00 | 00 | p-Xylene | liters | Free | | Free |
| 2902.44.00 | 00 | Mixed xylene isomers | liters | Free | | Free |
| 2902.50.00 | 00 | Styrene | kg | Free | | 15.4¢/kg + 45% |
| 2902.60.00 | 00 | Ethylbenzene | kg | Free | | 15.4¢/kg + 55% |
| 2902.70.00 | 00 | Cumene | kg | Free | | Free |
| 2902.90 | | Other: | | | | |
Harmonized Tariff Schedule of the United States inquiry: ../
