Magnesium Phosphate Tribasic
Magnesium phosphate tribasic (Mg3(PO4)2) is used as a dietary supplement, antacid, and in ceramics production. As a chemically defined inorganic magnesium salt of phosphoric acid, it is classifiable under tariff item 2835.29.00 as an 'other' phosphate.
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 product is calcium hydrogenorthophosphate
Calcium phosphates have their own subheadings under heading 28.35.
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 hydration state (e.g
• octahydrate) and declare it accurately on customs documents
• Provide the CAS number and purity certificate for clearance
• Check if the product is subject to Canadian natural health product regulations if used as a supplement
Related Products under Tariff item 2835.29.00
Aluminum Hydrogen Phosphate
Aluminum hydrogen phosphate (Al(H2PO4)3) is an acidic phosphate salt used as a reactive binder in acid-cured refractories and corrosion inhibitors. It is a separate chemically defined compound, which falls under the 'Other' phosphates of tariff item 2835.29.00.
Aluminum Orthophosphate Powder
Aluminum orthophosphate powder (AlPO4) is a thermally stable, chemically defined compound used in ceramic glazes, dental cements, and optical coatings. As a phosphate of aluminum, it is classifiable under the 'Other' phosphates of this tariff item.
Aluminum Phosphate Gel
Aluminum phosphate gel (AlPO4·2H2O) is a colloidal suspension of a chemically defined aluminum phosphate, used as a binder in refractory ceramics and catalyst supports. The gel form is a dispersion of the compound, which remains classifiable under the 'Other' phosphates of this tariff item.
Anhydrous Trisodium Phosphate Powder
Anhydrous trisodium phosphate powder (Na3PO4) is a chemically defined strong base used in metal pretreatment and food processing as an acidity regulator. It falls under the 'Other' phosphates of this tariff item.
Diammonium Phosphate
Diammonium phosphate ((NH4)2HPO4) functions as a fire retardant, yeast nutrient in baking, and pH buffer. As a chemically defined ammonium salt of phosphoric acid, it is classifiable under tariff item 2835.29.00 as an 'other' phosphate.
Disodium Phosphate Anhydrous
Disodium phosphate anhydrous (Na2HPO4) is a sodium salt of phosphoric acid used in dairy processing, pharmaceuticals, and as a pH buffer. It is a chemically defined inorganic compound and is classifiable under tariff item 2835.29.00 as an 'other' phosphate.