Sodium Tripolyphosphate for Water Treatment
Sodium tripolyphosphate for boiler water treatment, sequestering scale-forming ions to prevent corrosion. It is a chemically defined sodium triphosphate, classifiable under tariff item 2835.31.00.
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 the product is a blend of phosphates or contains other active ingredients
Blends are classified as other 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 product is not formulated with other chemicals for specific water treatment applications, which could move it to another heading
• Provide a technical data sheet to the CBSA
• Check if the goods are subject to any environmental regulations under the Canadian Environmental Protection Act
Related Products under Tariff item 2835.31.00
Detergent Builder Sodium Tripolyphosphate Flakes
Flaked sodium tripolyphosphate (STPP) used as a builder in powdered laundry detergents to chelate calcium and magnesium ions. This is a pure, chemically defined inorganic polyphosphate, falling squarely under tariff item 2835.31.00.
Food Processing Sodium Tripolyphosphate Granules
Granular sodium tripolyphosphate for food processing, used to solubilize proteins in shrimp and fish to prevent drip loss. It is a chemically defined sodium triphosphate, classifiable under tariff item 2835.31.00.
Industrial Sodium Tripolyphosphate for Ceramics
Industrial sodium tripolyphosphate used as a deflocculant in ceramics to disperse clay slips and control viscosity. As a pure sodium triphosphate, it is classified under tariff item 2835.31.00.
Pharma Excipient Sodium Tripolyphosphate
High-purity sodium tripolyphosphate used as a pharmaceutical excipient for tablet disintegration and controlled drug release. This chemically defined sodium triphosphate falls under tariff item 2835.31.00.
Sodium Tripolyphosphate Hexahydrate Crystals
Sodium tripolyphosphate hexahydrate crystals used as a buffering agent and emulsifier in meat processing and canned seafood. This hydrated form of sodium triphosphate is classifiable under tariff item 2835.31.00.
Sodium Tripolyphosphate (STPP) Food Grade Powder
Food-grade sodium tripolyphosphate powder used as a sequestrant, emulsifier, and moisture retainer in processed meats, seafood, and dairy products. This is a chemically defined sodium triphosphate, falling under tariff item 2835.31.00.