Is HTS 2809 subject to a Section 301 tariff?

Goods imported from China may carry an additional Section 301 tariff (typically +25% or +7.5%) on top of the base duty rate. Use the ShipSeeker calculator with origin set to China to estimate it.

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HTS 2809 Chapter 28

Diphosphorus Pentaoxide; Phosphoric Acid; polyphosphoric Acids, Whether Or Not Chemically Defined:

Q: What is the import duty rate for HTS 2809 (Diphosphorus Pentaoxide; Phosphoric Acid; polyphosphoric Acids, Whether Or Not Chemically Defined:)?

The general (MFN) duty rate for HTS 2809 is varies by subheading. Free-trade-agreement (special) and Column 2 rates may also apply. Estimate the total landed cost by country of origin with the ShipSeeker calculator.

Q: What does HTS 2809 cover?

HTS 2809 covers Diphosphorus Pentaoxide; Phosphoric Acid; polyphosphoric Acids, Whether Or Not Chemically Defined: in the U.S. Harmonized Tariff Schedule (chapter 28).

U.S. import duty rate & tariff classification for HTS 2809 in the Harmonized Tariff Schedule.

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Duty rates for HTS 2809 are set at the subheading level.

Across its 2 subheadings, published general rates are Free. Pick a specific code below for its exact rate.

Subheadings under 2809

HTS code	Description	General rate
2809.10.00.00	Diphosphorus Pentaoxide	Free
2809.20.00	Phosphoric Acid And Polyphosphoric Acids	Free

Next steps for HTS 2809

🧮Calculate landed costDuty + Section 301/232 + CBP fees, by origin 🌍Compare origins (China+1)The cheapest compliant country to import from 📊U.S. trade volumesInorg Chem; Prec & Rare-earth Met & Radioact Compd (HS 28) 🤖Is this the right code?Describe your product & let the AI classifier check

🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above. Estimate the real landed cost →

Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.