Base
HTS 2809.20.00Chapter 28

HTS 2809.20.00Phosphoric acid and polyphosphoric acids Duty Rate & Import Guide

Inorganic Chemicals · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Data compiled from USITC HTS, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates daily

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (5)

CodeDescriptionRate
2809.20.00Phosphoric acid and polyphosphoric acidsFree
2809.20.00.10Containing less than 65 percent available diphosphorus pentaoxide (P<sub>2</sub>O<sub>5</sub>) equivalents
2809.20.00.20Other
2809.20.00.30Other
2809.20.00.40Polyphosphoric acids

CBP Rulings (1)

H051896Classification

Internal Advice Request; classification of Phosbrite Co-Product

Matching Export Code (Schedule B)

2809200010Schedule B

PHOSPHORIC ACID,FERTILIZER GRADE,CONTAINING LESS THAN 65 PERCENT AVAILABLE P205 EQUIVALENTS

Census Bureau export classification matching this HTS import code.

2809.10.00.002809.20.00.10