# HTS 2901: Acyclic hydrocarbons:

https://geopax.app/tariffs/catalog/29/2901

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2901). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2901: Acyclic hydrocarbons:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2901 | Acyclic hydrocarbons: |  |  |  |  |
| 2901.10 |   Saturated: |  |  |  |  |
| 2901.10.10.00 |     Ethane and butane | Free |  | Free | kg |
| 2901.10.30.00 |     n-Pentane and isopentane | Free |  | 25% | kg |
|  |     Other: |  |  |  |  |
| 2901.10.40.00 |       Derived in whole or in part from petroleum, shale oil or natural gas | Free |  | 25% | kg |
| 2901.10.50.00 |       Other | Free |  | 25% | kg |
|  |   Unsaturated: |  |  |  |  |
| 2901.21.00.00 |     Ethylene | Free |  | Free | kg |
| 2901.22.00.00 |     Propene (Propylene) | Free |  | Free | kg |
| 2901.23.00.00 |     Butene (Butylene) and isomers thereof | Free |  | Free | kg |
| 2901.24 |     Buta-1,3-diene and isoprene: |  |  |  |  |
| 2901.24.10.00 |       Buta-1,3-diene | Free |  | Free | kg |
|  |       Isoprene: |  |  |  |  |
| 2901.24.20.00 |         Having a purity of 95 percent or more by weight | Free |  | 25% | kg |
| 2901.24.50.00 |         Other | Free |  | 25% | kg |
| 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 | Free |  | 25% | kg |
| 2901.29.10.50 |         Other | Free |  | 25% | kg |
| 2901.29.50.00 |       Other | Free |  | 25% | kg |