3104.30.00.00—Potassium sulfate
General
Free
Units
t
Column 2
Free
Special
—
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Plain-English explanation
HTS 3104.30.00.00 is the U.S. Harmonized Tariff Schedule classification for Potassium sulfate. It's a 10-digit statistical line in Chapter 31: Fertilizers, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Recent CBP rulings(1)
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
Frequently asked questions
What is HTS code 3104.30.00.00?
HTS 3104.30.00.00 is the U.S. Harmonized Tariff Schedule classification for Potassium sulfate. It belongs to Chapter 31 of the HTSUS.
What is the general duty rate for HTS 3104.30.00.00?
The general (Column 1) duty rate for HTS 3104.30.00.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Are there Section 301 or Section 232 tariffs on HTS 3104.30.00.00?
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 3104.30.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
Does HTS 3104.30.00.00 have any antidumping or countervailing duty (AD/CVD) orders?
No active AD/CVD orders currently flag HTS 3104.30.00.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Learn more
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