Sub Headings of 2901
| 2901.10.10.00 | Ethane and butane |
| 2901.10.30.00 | n-Pentane and isopentane |
| 2901.10.40.00 | Derived in whole or inpart from petroleum, shale oil or natural gas |
| 2901.10.50.00 | Other |
| 2901.21.00.00 | Ethylene |
| 2901.22.00.00 | Propene (Propylene) |
| 2901.23.00.00 | Butene (Butylene) and isomers thereof |
| 2901.24.10.00 | Buta-1,3-diene |
| 2901.24.20.00 | Having a purity of 95 percent or more by weight |
| 2901.24.50.00 | Other |
| 2901.29.10. | Derived in whole or in part from petroleum, shale oil or natural gas |
| 2901.29.50.00 | Other |