Monopotassium Phosphate (MKP)
Monopotassium phosphate (KH2PO4) is a chemically defined inorganic salt used as a fertilizer and reagent. It is a phosphate of potassium and falls squarely under this tariff item, regardless of its agricultural application.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is put up as a fertilizer mixture with other nutrients
Fertilizer mixtures containing multiple nutrients are classified in Chapter 31.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• For fertilizer use, check if the product falls under the Fertilizers Act and whether a registration is needed with the CFIA
• Provide the chemical composition and purity data to the CBSA
• If the product is mixed with other nutrients, it may be classified elsewhere
Related Products under Tariff item 2835.24.00
Dipotassium Phosphate (DKP)
Dipotassium phosphate (K2HPO4) is a chemically defined inorganic salt of potassium and phosphoric acid. It is used as a buffering agent and nutrient in food, beverage, and pharmaceutical applications, and qualifies as a phosphate of potassium under this tariff item.
Disodium Potassium Phosphate
Disodium potassium phosphate is a mixed salt containing both sodium and potassium cations. Although it contains potassium, it is not a single chemically defined potassium phosphate; it may be classified as a complex salt or under another phosphate heading depending on its exact composition.
Food-Grade Monopotassium Phosphate
Food-grade monopotassium phosphate (KH2PO4) is a chemically defined potassium phosphate salt meeting FCC purity specifications. Its use as an acidity regulator in food does not alter its classification as a phosphate of potassium under this tariff item.
Potassium Dihydrogen Phosphate
Potassium dihydrogen phosphate is another name for monopotassium phosphate (KH2PO4). It is a chemically defined potassium phosphate salt used in fertilizers and as a laboratory reagent, classifiable under this tariff item.
Potassium Orthophosphate
Potassium orthophosphate (K3PO4) is a chemically defined tribasic potassium phosphate salt. It is used in fire retardants and industrial applications, and qualifies as a phosphate of potassium under this tariff item.
Potassium Phosphate Monobasic Anhydrous
Potassium phosphate monobasic anhydrous (KH2PO4) is a pure, chemically defined potassium phosphate salt used in pharmaceutical buffering. It falls under this tariff item as a phosphate of potassium.