Christmas Island Phosphate Rock
Raw, unground phosphate rock sourced from Christmas Island guano deposits, high in P2O5 content. This natural calcium phosphate in lump form is classified under tariff item 2510.10.00 as unground natural calcium phosphates, intended for use in the phosphate chemical industry.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the phosphate rock is ground or powdered after importation.
Ground natural calcium phosphates fall under a different tariff item within the same subheading.
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 unground and not subjected to processes beyond crushing or grinding, as per Chapter 25 Note 1
• Declare the weight in kilograms or tonnes, excluding any added moisture, for accurate statistical reporting
• Have documentation proving the natural origin and P2O5 content to support classification
Related Products under Tariff item 2510.10.00
Natural Phosphatic Chalk Lumps
Unground lumps of phosphatic chalk, a soft calcareous material containing natural calcium phosphates. This product is covered under tariff item 2510.10.00 as unground phosphatic chalk, commonly used in soil amendment or as an animal feed supplement.
Nauru Island Unground Phosphorite
Unground phosphorite ore from Nauru raised atolls, a premium natural calcium phosphate source. This unprocessed phosphatic rock fits tariff item 2510.10.00 and is used in high-purity phosphoric acid production.
Raw Moroccan Phosphate Ore
Unground phosphate rock from Moroccan mines, primarily sedimentary apatite with high P2O5 content. This natural calcium phosphate in unprocessed, unground form falls under tariff item 2510.10.00 for use in phosphoric acid or fertilizer production.
Tennessee Brown Rock Phosphate
Unground brown rock phosphate from Tennessee deposits, rich in natural apatite for organic farming applications. Classified under tariff item 2510.10.00 as unground natural calcium phosphates, ideal for direct soil application.
Unground Florida Pebble Phosphate Rock
Natural calcium phosphate rock mined from Florida deposits, unground and in its raw form with less than 4% magnesium oxide content. Classified under tariff item 2510.10.00 as unground natural calcium phosphates, suitable for various industrial applications.