Trisodium Phosphate Solution 20%
A 20% aqueous solution of trisodium phosphate is used for pH adjustment in cooling towers and as a rust inhibitor. As a solution of a chemically defined inorganic salt in water, 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 solution is of disodium phosphate
Disodium phosphate solutions are classified under a different subheading.
If the solution is of sodium tripolyphosphate
Sodium tripolyphosphate solutions are classified as polyphosphates.
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 solution contains only water and trisodium phosphate, as added solvents or stabilizers may change classification
• Provide the exact concentration and density on the commercial invoice
• Check if the solution is subject to Canadian transportation of dangerous goods regulations
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.