Nitrophosphate 23-23 Fertilizer
Synthetic nitrophosphate fertilizer with 23% nitric nitrogen and 23% P2O5 from phosphoric acid reaction, in 20 kg bags. This chemically combined product contains both nitrates and phosphates, qualifying as a mineral fertilizer under tariff item 3105.51.00. It is not in tablets or packages ≤10 kg, so it is not excluded by heading 31.05.
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 nitrogen is not in nitrate form (e.g., all ammonium or urea).
This alternative covers other nitrogen-phosphorus fertilizers without nitrates.
If the product is primarily ammonium nitrate without phosphate.
Ammonium nitrate is listed in Chapter Note 2 for heading 31.02.
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
• Ensure the product is not a separate chemically defined compound excluded by Chapter Note 1(b); nitrophosphate is a mixture, not a single compound
• Verify that the 20 kg bags are not considered retail packages under heading 31.05 (gross weight >10 kg)
• Provide technical data to CBSA showing nitrate and phosphate content
Related Products under Tariff item 3105.51.00
34-17 Nitrate Phosphate Granules
Granulated fertilizer containing 34% nitrogen derived from ammonium nitrate and 17% P2O5 phosphate, supplied in metric ton bulk bags. This product is a mineral fertilizer containing both nitrogen and phosphorus, specifically nitrates and phosphates, and is not put up in forms or packages described in heading 31.05 (e.g., tablets or packages ≤10 kg). It falls under tariff item 3105.51.00 as an 'other mineral or chemical fertilizer' containing nitrates and phosphates.
Ammonium Nitrate Monoammonium Phosphate Mix
A bulk blend of 34% ammonium nitrate and 52% monoammonium phosphate (MAP) in 25 kg bags for field application. This mixture contains both nitrogen (as ammonium and nitrate) and phosphorus (as phosphate), making it a mineral fertilizer with nitrates and phosphates. It is not in tablets or small retail packages, so it is classifiable under tariff item 3105.51.00.
Calcium Ammonium Nitrate with TSP Blend
A 20-20 fertilizer blend combining calcium ammonium nitrate (CAN) and triple superphosphate (TSP) in 50 lb sacks. This product contains both nitrogen (from nitrate) and phosphorus (from phosphate), qualifying as a mineral fertilizer with nitrates and phosphates. It is not in tablets or packages ≤10 kg, so it falls under tariff item 3105.51.00.
CAN-17 + SSP Starter Fertilizer
A starter fertilizer blend of 17-17-0 using calcium ammonium nitrate and single superphosphate in 40 lb bags. This product contains both nitrogen (as nitrate) and phosphorus (as phosphate), making it a mineral fertilizer with nitrates and phosphates. It is not in tablets or small retail packages, so it is classifiable under tariff item 3105.51.00.
NPK 18-46-0 Fertilizer Blend
An NPK fertilizer containing 18% nitrogen from ammonium nitrate and 46% phosphorus from superphosphate, packaged in 5 kg retail bags. Although it contains nitrates and phosphates, the 5 kg retail packaging falls within heading 31.05's scope (packages ≤10 kg). Therefore, it is NOT classifiable under tariff item 3105.51.00 but under heading 31.05.
UAN 32% with MAP Solution Blend
A liquid fertilizer mixing urea ammonium nitrate (UAN 32%) solution with monoammonium phosphate granules, shipped in 250 gallon totes. Although liquid, it contains both nitrogen (including nitrate from UAN) and phosphorus (from MAP), qualifying as a mineral fertilizer with nitrates and phosphates. It is not in tablets or small retail packages, so it falls under tariff item 3105.51.00.