Heading 3104: Mineral or chemical fertilizers, potassic
Every line of heading 3104 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Mineral or chemical fertilizers, potassic
Chapter 31: Fertilizers. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 3104.20.00 | Potassium chloride | Free |
| 3104.20.00.10 | Containing not more than 62 percent by weight of potassium oxide (K2O) | |
| 3104.20.00.50 | Containing more than 62 percent by weight of potassium oxide (K2O) | |
| 3104.30.00.00 | Potassium sulfate | Free |
| 3104.90.01.00 | Other | Free |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 3104 has 3 of them. Schedule B lookup →
- 3104.20.0000POTASSIUM CHLORIDE
- 3104.30.0000POTASSIUM SULFATE
- 3104.90.0100MINERAL OR CHEMICAL FERTILIZER, POTASSIC, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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