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HTS 2809.20.00

Phosphoric acid and polyphosphoric acids

Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined

General (normal trade relations)Free
Special (trade programs)—
Column 2Free
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗3 measures add duty
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Chapter 99 measures that list this product

Each heading’s own text says whether the listing adds duty or exempts the product. Read the heading and its note before relying on a rate.

Measures on products of any country (check their exceptions)

Lines under 2809.20.00

HTSDescriptionGeneralColumn 2
2809.20.00.10Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents
2809.20.00.20Other
2809.20.00.30Other
2809.20.00.40Polyphosphoric acids