HTSUS, United States
3104.90.01.00
Mineral or chemical fertilizers, potassic / Other
Classification path
- Mineral or chemical fertilizers, potassic
- Other
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
Related lines in heading 3104
About heading 3104
Mineral or chemical fertilizers, potassic
Heading 3104 covers mineral or chemical fertilizers that supply potassium as the only primary fertilizer element. It is split into potassium chloride, potassium sulfate, and other potassic fertilizers. The potassium chloride lines depend on whether the K2O content is not more than 62% or more than 62% by weight.
Full guide to heading 3104Products in this heading
- Potassium chloride fertilizer
- Muriate of potash
- Potassium chloride fertilizer with 60% K2O
- Potassium chloride fertilizer with 63% K2O
- Potassium sulfate fertilizer
- Sulfate of potash
- Other potassic fertilizer
Frequently asked questions
What is the HTS code for potassium chloride fertilizer with 60% K2O?
Use 3104.20.00.10; its general (MFN) rate is Free.
What is the duty on potassium sulfate fertilizer?
Potassium sulfate is classified under 3104.30.00.00, and its general (MFN) rate is Free.
How do I classify potassium chloride fertilizer with 63% K2O?
Classify it under 3104.20.00.50; its general (MFN) rate is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.