Premium TSP 46-0-0 Fertilizer Grade
Premium TSP labeled 46-0-0 indicates 46% P2O5, 0% nitrogen, and 0% K2O, optimized for phosphorus-only nutrition. As a superphosphate with P2O5 content above 35%, it falls under tariff item 3103.11.00. It enhances flower and fruit development in various crops.
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 packaged for retail sale
Retail-packaged fertilizers are classified in heading 31.05.
If P2O5 content is below 35%
Superphosphates below the 35% threshold fall under other phosphatic fertilizers.
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
• Verify the product label confirms 46% P2O5 and no nitrogen or potassium content to support classification
• Provide documentation that the product is not in retail packaging, as this would change classification
• Keep records of the manufacturing process to confirm it is a superphosphate
Related Products under Tariff item 3103.11.00
Crop-Specific TSP for Citrus 47% P2O5
Crop-Specific TSP for Citrus is a triple superphosphate fertilizer formulated with 47% diphosphorus pentaoxide (P2O5) by weight, designed for citrus orchards requiring high phosphorus without nitrogen competition. It is a superphosphate product that exceeds the 35% P2O5 threshold, making it classifiable under tariff item 3103.11.00. It supports root development and fruit quality in perennial crops.
Double Superphosphate Granules 40% P2O5
Double Superphosphate Granules with 40% P2O5 are produced via the wet process using phosphoric acid, yielding a water-soluble phosphorus fertilizer. As a superphosphate containing 40% diphosphorus pentaoxide, it meets the 35% threshold for tariff item 3103.11.00. It is suitable for basal application in agricultural soils.
Enhanced Superphosphate 39% P2O5 Granular
Enhanced Superphosphate Granular with 39% P2O5 is produced through proprietary processing to improve granule integrity and handling. As a superphosphate exceeding the 35% P2O5 threshold, it falls under tariff item 3103.11.00. It reduces application rates while maintaining efficacy in field crops.
Granular Triple Superphosphate 44-47% P2O5
Granular Triple Superphosphate provides 44-47% available P2O5 in uniform granules, designed for easy soil application and reduced dust. As a superphosphate with P2O5 content well above 35%, it is classifiable under tariff item 3103.11.00. It is commonly used in direct application for phosphorus-deficient soils.
High-Analysis Triple Superphosphate TSP 48% P2O5
High-Analysis Triple Superphosphate TSP delivers 48% P2O5 for intensive farming, manufactured without fillers for maximum concentration. It qualifies as a superphosphate exceeding the 35% P2O5 threshold, falling under tariff item 3103.11.00. It is commonly used in direct application for high-phosphorus-demand crops.
Industrial Grade TSP 42% P2O5 Bulk
Industrial Grade TSP with 42% P2O5 is intended for large-scale farming operations and shipped in bulk railcars. As a superphosphate exceeding the 35% P2O5 threshold, it falls under tariff item 3103.11.00. It provides a cost-effective phosphorus source for commercial agriculture.