| Harmonized Tariff Schedule | ||
|---|---|---|
| Statistical code | Description | |
| H.S. code | Domestic code | |
| 2901.10 | 000 | Saturated |
| 2901.10 | Unsaturated : | |
| 2901.21 | 000 | Ethylene |
| 2901.22 | 000 | Propene (propylene) |
| 2901.23 | 000 | Butene (butylene) and isomers thereof |
| 2901.24 | Buta-1,3-diene and isoprene | |
| 2901.24 | 010 | 1 Buta-1,3-diene |
| 2901.24 | 020 | 2 Isoprene |
| 2901.29 | 000 | Other |