HTS heading 2809: Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined
Heading 2809 of the US Harmonized Tariff Schedule covers Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2809 at a glance
- 2 rated tariff lines; 2 duty-free at the general (MFN) rate.
- Section 301 (products of China): 2 of 2 lines on a list in effect (List 3).
Goods named in this heading (official line texts): Diphosphoru…, Phosphoric acid and polyphosphoric acids.
Subheadings (6-digit)
- 2809.10: Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not ch…: Diphosphoru… (1 line)
- 2809.20: Phosphoric acid and polyphosphoric acids (1 line)
All tariff lines in heading 2809
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2809.10.00 | Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not ch…: Diphosphoru… | Free | List 3 +25% | |
| 2809.20.00 | Phosphoric acid and polyphosphoric acids | Free | List 3 +25% |
All of chapter 28 · Chapter 28 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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