Chapter 29: Organic chemicals
HTS heading 2901: Acyclic hydrocarbons
18 numbered lines under heading 2901, including 13 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 2901 | Acyclic hydrocarbons: | ||||
| 2901.10 | Saturated: | ||||
| 2901.10.10.00 | Ethane and butaneNote: See 9903.90.08. | kg | Free | Free | |
| 2901.10.30.00 | n-Pentane and isopentane | kg | Free | 25% | |
| Other: | |||||
| 2901.10.40.00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free | 25% | |
| 2901.10.50.00 | Other | kg | Free | 25% | |
| Unsaturated: | |||||
| 2901.21.00.00 | Ethylene | kg | Free | Free | |
| 2901.22.00.00 | Propene (Propylene)Note: See 9903.90.08. | kg | Free | Free | |
| 2901.23.00.00 | Butene (Butylene) and isomers thereof | kg | Free | Free | |
| 2901.24 | Buta-1,3-diene and isoprene: | ||||
| 2901.24.10.00 | Buta-1,3-diene | kg | Free | Free | |
| 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 gasNote: See 9903.90.08. | Free | 25% | ||
| 2901.29.10.10 | Linear α-olefins (C6-C30), unmixed | kg | |||
| 2901.29.10.50 | Other | kg | |||
| 2901.29.50.00 | OtherNote: See 9903.90.08. | kg | Free | 25% |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.