Ammonium Persulfate Crystals
Crystalline ammonium persulfate used in etching solutions for printed circuit boards and metal surface treatment. As a chemically defined ammonium peroxosulphate, it is classified under tariff item 2833.40.00, which covers peroxosulphates (persulphates) of all kinds.
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:
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Import Tips & Compliance
• If the crystals are dissolved in water or another solvent, ensure the solution is a normal method of putting up for transport
• The CBSA may classify solutions differently if the solvent renders the product for specific use
• Provide the exact concentration if applicable
Related Products under Tariff item 2833.40.00
ACS Reagent Ammonium Persulfate
ACS reagent grade ammonium persulfate with 99.99% purity for laboratory polymerization and biochemical applications. As a chemically defined ammonium peroxosulphate, it is classified under tariff item 2833.40.00, which covers all peroxosulphates (persulphates).
ACS Reagent Potassium Persulfate
ACS-grade potassium persulfate for laboratory oxidations and analysis is a pure, chemically defined peroxosulphate of potassium. It falls under tariff item 2833.40.00.
Ammonium Persulfate Alternative Sodium Grade
Sodium persulfate (Na2S2O8) is a strong oxidizing agent used as a substitute for ammonium persulfate in emulsion polymerization processes. It is a chemically defined inorganic compound of sodium, falling under the peroxosulphates (persulphates) subheading of the Customs Tariff of Canada.
Ammonium Persulfate Flakes
Flake form of ammonium persulfate for convenient handling in water treatment and wastewater oxidation processes. As a chemically defined ammonium peroxosulphate, it is classified under tariff item 2833.40.00, which covers peroxosulphates (persulphates) in all physical forms.
Ammonium Persulfate Powder
Ammonium persulfate ((NH4)2S2O8) is a strong oxidizing agent used as a radical initiator in acrylic and vinyl polymerizations. This chemically defined peroxosulphate of ammonium falls under tariff item 2833.40.00.
Ammonium Persulfate Prills
Prilled ammonium persulfate for mining explosives initiation and soil remediation applications. As a chemically defined ammonium peroxosulphate, it is classified under tariff item 2833.40.00, which covers peroxosulphates (persulphates) regardless of physical form.