Single Superphosphate Enriched to 38% P2O5
Single Superphosphate Enriched to 38% P2O5 is boosted through additional phosphoric acid treatment for higher efficacy. As a superphosphate meeting the 35% P2O5 threshold, it falls under tariff item 3103.11.00. It provides a higher-analysis alternative to standard single superphosphate.
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 sold in retail packages
Retail-packaged fertilizers are classified in heading 31.05.
If P2O5 content is below 35%
Superphosphates with less than 35% P2O5 are classified 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
• Confirm the P2O5 content is at least 35% through laboratory analysis to support classification
• Ensure the product is not mixed with other nutrients, as this may affect classification
• Verify that packaging is not in retail form to avoid heading 31.05
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.