HTS 2809
Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined
| Code | Description | Unit | General | Special | Column 2 | Source |
|---|---|---|---|---|---|---|
| 2809.10.00.00 | Diphosphorus pentaoxide | kg | Free | 25% | USITC | |
| 2809.20.00 | Phosphoric acid and polyphosphoric acids | Free | Free | USITC | ||
| Phosphoric acid | ||||||
| Fertilizer grade | ||||||
| 2809.20.00.10 | Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents | t | Free | Free | USITC | |
| 2809.20.00.20 | Other | t | Free | Free | USITC | |
| 2809.20.00.30 | Other | t | Free | Free | USITC | |
| 2809.20.00.40 | Polyphosphoric acids | t | Free | Free | USITC | |
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Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 2809 at USITC
Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.
This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.