Import duty / Chapter 29 / Heading 2904
Heading 2904 covers 10 tariff lines in LoadLoom's table; 7 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 2904.10 | Derivatives of hydrocarbons; containing only sulpho groups, their salts and ethyl esters, whether or not halogenated | 5.5% | Free | Not eligible |
| 2904.20 | Derivatives of hydrocarbons; containing only nitro or only nitroso groups, whether or not halogenated | 5.5% | Free | Not eligible |
| 2904.31 | Derivatives of hydrocarbons; perfluorooctane sulphonic acid, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.32 | Derivatives of hydrocarbons; ammonium perfluorooctane sulphonate, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.33 | Derivatives of hydrocarbons; lithium perfluorooctane sulphonate, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.34 | Derivatives of hydrocarbons; potassium perfluorooctane sulphonate, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.35 | Derivatives of hydrocarbons; salts of perfluorooctane sulphonic acid n.e.c in heading no. 2904, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.36 | Derivatives of hydrocarbons; perfluorooctane sulphonyl fluoride, whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.91 | Derivatives of hydrocarbons; trichloronitromethane (chloropicrin), whether or not halogenated | 3.7% | Free | Free with certificate |
| 2904.99 | Derivatives of hydrocarbons n.e.c. in heading no. 2904, whether or not halogenated | 5.5% | Free | Not eligible |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
