Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2809.20.00.40Tariff line
Classification path
Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined
2809
Phosphoric acid and polyphosphoric acids
Polyphosphoric acids
2809.20.00.40
Rates of duty
General rate (Column 1)Free
Special—
Column 2Free
Unitt
Printed page 1392
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2809.20.00 is on L3
- PGAEPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →